1989 - Partial Differential Equations and the Calculus of Variations [Progress in Nonlinear Differential Equations and] (Hardcover) ISBN-13: 9780817634247 ISBN-10: 081763424X ? 1989 - Partial Differential Equations and the Calculus of Variations [Progress in Nonlinear Differential Equations&Their Applications Ser] (Hardcover) ISBN-13: 9780817634254 ISBN-10: 0817634258 ? 1989 - Partial Differential Equations and the Calculus of Variations Set [Progress in Nonlinear Differential Equations and Their Applications] (Hardcover) ISBN-13: 9780817634261 ISBN-10: 0817634266 ? |