000 00456nmm a2200145Ia 4500
008 230201s9999||||xx |||||||||||||||||und||
020 _a9781489936141
100 _aGiovanni Maria Troianiello
245 0 _aElliptic Differential Equations and Obstacle Problems
250 _a1987
260 _bSpringer US
_c1987
440 _aUniversity Series in Mathematics
650 _aMathematics and Statistics
856 _uhttps://doi.org/10.1007/978-1-4899-3614-1
999 _c22993
_d22993