000 00446nmm a2200145Ia 4500
008 230125s9999||||xx |||||||||||||||||und||
020 _a9781461241461
100 _aMichel Willem
245 0 _aMinimax Theorems
250 _a1996
260 _bBirkhäuser Boston
_c1996
440 _aProgress in Nonlinear Differential Equations and Their Applications
650 _aMathematics and Statistics
856 _uhttps://doi.org/10.1007/978-1-4612-4146-1
999 _c8196
_d8196