@article{100662, author = {Otomar H\'ajek}, title = {Sections of dynamical systems in $E^2$}, journal = {Czechoslovak Mathematical Journal}, volume = {15}, year = {1965}, pages = {205-211}, zbl = {0134.42304}, mrnumber = {0176181}, language = {en}, url = {http://dml.mathdoc.fr/item/100662} }
Hájek, Otomar. Sections of dynamical systems in $E^2$. Czechoslovak Mathematical Journal, Tome 15 (1965) pp. 205-211. http://gdmltest.u-ga.fr/item/100662/
Topologie générale, Ch. I & II, 2nd ed., A. S. et I., Paris 1951. (1951)
Topologie générale, Ch. IX & X, A. S. et I., Paris 1949. (1949) | Zbl 0036.38601
Topologie II, Warszawa-Wroclaw 1950. (1950) | Zbl 0041.09604
Качественная теория дифференциальных уравнений, Гостехиздат, Москва-Ленинград 1949. (1949)
Singularity diferenciální rovnice II, Pokroky MFA, 11, 137-144.
Elementary Topology, Wiley, New York 1955. (1955) | MR 0074804 | Zbl 0067.40401