Nonlinear variational problems Vol. 1 Antonio Marino, M. K. Venkatesha Murthy - New York Longman scientific & technical 1989 - 211 p 25 cm - Pitman research notes in mathematics series 193 . Contine bibliogr. dupa capitole ISBN: 0582018625 Subjects--Topical Terms: Differential equations--PartialVariational inequalities