TY - BOOK AU - Grossinho, M. R AU - Tersian, Stepan A TI - An introduction to minimax theorems and their applications to differential equations SN - 9780792368328 SN - 69629 U1 - 515.35 GRO PY - 2001/// CY - Boston PB - Kluwer Academic Publishers KW - Critical point theory KW - Differential equations - Numerical solutions N1 - Includes bibliographical references and index ER -