TY - BOOK AU - Staicu, Vasile AU - Brezis, Haim TI - Differential equations, choas and variational problems SN - 9783764384814 U1 - 515.35 STA PY - 2008/// CY - Basel PB - Birkhäuser; Springer KW - Calculus of variations KW - Differential equations KW - Mathematical optimization ER -