Sudoplatov, S. V. Trigonometries on an exact pseudoplane. (Russian) Zbl 0755.03019 Model theory, Proc. Sov.-Fr. Colloq., Karaganda/USSR 1990, 185-201 (1990). Reviewer: A.Ryaskin (Novosibirsk) MSC: 03C45 03C15 05C20 PDFBibTeX XMLCite \textit{S. V. Sudoplatov}, in: Les travaux scientifiques du colloque Sovieto-Francąis sur la théorie des modeles, Karaganda (USSR), 1990. Trudy sovetsko- francuzskogo kollokviuma po teorii modelej, Karaganda (SSSR), 1990. Karaganda: Karagandinskij Gosudarstvennyj Universitet. 185--201 (1990; Zbl 0755.03019)
Kalyanasundaram, Bala; Schnitger, Georg Rounds versus time for the two person pebble game. (English) Zbl 0721.90096 Inf. Comput. 88, No. 1, 1-17 (1990). Reviewer: G.A.Heuer (Moorhead) MSC: 91A43 91A05 68R10 PDFBibTeX XMLCite \textit{B. Kalyanasundaram} and \textit{G. Schnitger}, Inf. Comput. 88, No. 1, 1--17 (1990; Zbl 0721.90096) Full Text: DOI
Monma, Clyde L.; Schrijver, Alexander; Todd, Michael J.; Wei, Victor K. Convex resource allocation problems on directed acyclic graphs: Duality, complexity, special cases, and extensions. (English) Zbl 0717.90080 Math. Oper. Res. 15, No. 4, 736-748 (1990). MSC: 90C35 91B32 90C60 90C25 PDFBibTeX XMLCite \textit{C. L. Monma} et al., Math. Oper. Res. 15, No. 4, 736--748 (1990; Zbl 0717.90080) Full Text: DOI Link
Harary, Frank; Kabell, Jerald A.; McMorris, F. R. Interval acyclic digraphs. (English) Zbl 0711.05024 Ars Comb. 29A, 59-64 (1990). MSC: 05C20 06A07 PDFBibTeX XMLCite \textit{F. Harary} et al., Ars Comb. 29A, 59--64 (1990; Zbl 0711.05024)
Spiegelhalter, David J.; Lauritzen, Steffen L. Sequential updating of conditional probabilities on directed graphical structures. (English) Zbl 0697.90045 Networks 20, No. 5, 579-605 (1990). MSC: 90B50 PDFBibTeX XMLCite \textit{D. J. Spiegelhalter} and \textit{S. L. Lauritzen}, Networks 20, No. 5, 579--605 (1990; Zbl 0697.90045) Full Text: DOI
Kim, Suh-Ryung; Roberts, Fred S. On Opsut’s conjecture about the competition number. (English) Zbl 0697.05031 Combinatorics, graph theory, and computing, Proc. 20th Southeast Conf., Boca Raton/FL (USA) 1989, Congr. Numerantium 71, 173-176 (1990). Reviewer: J.W.Moon MSC: 05C20 PDFBibTeX XML
Speckenmeyer, Ewald On feedback problems in digraphs. (English) Zbl 0768.68181 Graph-theoretic concepts in computer science, Proc. 15th Int. Workshop, WG ’89, Castle Rolduc/Neth. 1989, Lect. Notes Comput. Sci. 411, 218-231 (1990). MSC: 68R10 68Q25 05C20 60G50 PDFBibTeX XMLCite \textit{E. Speckenmeyer}, Lect. Notes Comput. Sci. 411, 218--231 (1990; Zbl 0768.68181)