TY - BOOK AU - Velázguez,Gustavo López TI - Partial differential equations of first order and their applications to physics SN - 9789814390378 AV - QA374 .L66 2012 PY - 2012/// CY - Singapore PB - World Scientific KW - Differential equations, Partial KW - Physics N1 - Includes index and bibliographical references ER -