Velazquez, Gustavo Lopes Partial differential equations of first order and their applications to physics / Gustavo Lopes Velazguez - 2nd ed. - New Jersey World Scientific 2012 - 188 p. ISBN: 9789814390378 Subjects--Topical Terms: PhysicsᅠDifferential equations, Partialᅠ Dewey Class. No.: 515.625 VEL-G