@article{105407, author = {Svatopluk Fu\v c\'\i k and Jind\v rich Ne\v cas and Ji\v r\'\i\ Sou\v cek and Vladim\'\i r Sou\v cek}, title = {Upper bound for the number of eigenvalues for nonlinear operators (Preliminary communication)}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {013}, year = {1972}, pages = {191-195}, zbl = {0231.47041}, mrnumber = {0305168}, language = {en}, url = {http://dml.mathdoc.fr/item/105407} }
Fučík, Svatopluk; Nečas, Jindřich; Souček, Jiří; Souček, Vladimír. Upper bound for the number of eigenvalues for nonlinear operators (Preliminary communication). Commentationes Mathematicae Universitatis Carolinae, Tome 013 (1972) pp. 191-195. http://gdmltest.u-ga.fr/item/105407/
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