TY - BOOK AU - Hilderbrandt S ed. ED - Conference on Calculus of Variations and Partial Differential Equations( 1986 : Trento ) ED - TI - Calculus of variations and partial differential equations: proceedings U1 - 515.64 PY - 1988/// CY - Berlin PB - Springer Verlag KW - Calculus KW - Partial differential equations ER -