TY - BOOK AU - Biot, Maurice Anthony, TI - Variational principles in heat transfer: A unified lagrangian analysis of dissipative phenomena T2 - Oxford mathematical monographs AV - QC320 B55 PY - 1970/// CY - Oxford PB - Clarendon Press KW - Calor KW - TransmisiĆ³n KW - Funciones de Lagrange ER -