Marini, Luisa Donatella; Pietra, Paola A monotonic mixed finite element on rectangles for second order elliptic problems. (English) Zbl 0757.65115 Mat. Apl. Comput. 10, No. 3, 263-277 (1991). Reviewer: C.I.Gheorghiu (Cluj-Napoca) MSC: 65N30 65N15 35J25 78A55 PDFBibTeX XMLCite \textit{L. D. Marini} and \textit{P. Pietra}, Mat. Apl. Comput. 10, No. 3, 263--277 (1991; Zbl 0757.65115)
Marini, L. D.; Pietra, P. An abstract theory for mixed approximations of second order elliptic problems. (English) Zbl 0711.65091 Mat. Apl. Comput. 8, No. 3, 219-239 (1989). Reviewer: P.K.Mahanti MSC: 65N30 65N15 35J25 PDFBibTeX XMLCite \textit{L. D. Marini} and \textit{P. Pietra}, Mat. Apl. Comput. 8, No. 3, 219--239 (1989; Zbl 0711.65091)
Brezzi, F.; Douglas, Jim jun.; Marini, L. D. Variable degree mixed methods for second order elliptic problems. (English) Zbl 0592.65073 Mat. Apl. Comput. 4, 19-34 (1985). Reviewer: V.Drápalík MSC: 65N30 35J25 PDFBibTeX XMLCite \textit{F. Brezzi} et al., Mat. Apl. Comput. 4, 19--34 (1985; Zbl 0592.65073)