[1] L. Collatz:
Funktionalanalysis un Numerische Mathematik. Springer-Verlag 1969.
MR 0165651
[2] Ку Fan:
Fixed-point and minimax theorems in locally convex topological linear spaces. Proc. Mat. Acad. Sci., U.S.A., 38 (1952), 121-126.
MR 0047317 |
Zbl 0047.35103
[3] A. Haščák: Integral equivalence of multi-valued differential systems. Acta Mathematica Universitatis Comeniae, Bratislava (to appear).
[4] F. Riesz B. Sz.-Nagy: Leçons d'analyse fonctionnelle. Budapest 1972.
[5] W. Sobieszek:
On the point-to-set mappings and functions maximum related to them. Demonstratio mathematica, Vol. VII, No. 4, (1974), 483-494.
MR 0375226
[6] W. Sobieszek P. Kowalski:
On the different definitions of the lower semicontinuity, upper semicontinuity, upper semicompacity, closity and continuity of the point-to-set maps. Demonstratio mathematica, Vol. XI, No. 4, (1978), 1053-1063.
MR 0529647
[7] M. Švec:
Fixpunktsatz und monotone Lösungen der Differentialgleichung $y\sp{(n)}+B(x,y,y\sp{\prime}, \cdots,y\sp{(n-1)})y=0$. Archivum mathematicum (Brno), T. 2. (1966), 43 - 55.
MR 0206368
[8] A. Haščák:
Integral equivalence of multivalued differential systems II. Colloquia Math. Soc. J. Bolyai. 47, Differential Equations: Qualitative Theory, Szeged (Hungary), 1984.
MR 0872343