Gel’man, B. D.; Obukhovskij, V. V. New results in the theory of multivalued mappings. II: Analysis and applications. (English. Russian original) Zbl 0783.55003 J. Sov. Math. 64, No. 2, 854-883 (1993); translation from Itogi Nauki Tekh., Ser. Mat. Anal. 29, 107-159 (1991). MSC: 55M20 54C60 PDFBibTeX XMLCite \textit{B. D. Gel'man} and \textit{V. V. Obukhovskij}, J. Sov. Math. 64, No. 2, 854--883 (1991; Zbl 0783.55003); translation from Itogi Nauki Tekh., Ser. Mat. Anal. 29, 107--159 (1991) Full Text: DOI
Borisovich, Yu. G.; Gel’man, B. D.; Myshkis, A. D.; Obukhovskij, V. V. New results in the theory of multivalued mappings. I: Topological characteristics and solvability of operator relations. (English. Russian original) Zbl 0711.55002 J. Sov. Math. 49, No. 1, 800-855 (1990); translation from Itogi Nauki Tekh., Ser. Mat. Anal. 25, 121-195 (1987). MSC: 55M20 55M25 PDFBibTeX XMLCite \textit{Yu. G. Borisovich} et al., J. Sov. Math. 49, No. 1, 800--855 (1990; Zbl 0711.55002); translation from Itogi Nauki Tekh., Ser. Mat. Anal. 25, 121--195 (1987) Full Text: DOI