00607nam a2200169Ia 4500003000900000008004100009040001600050080001500066100002200081245018100103260003900284300001300323650002600336650002700362650001900389700002900408IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a519.9bGOU  aGoursat, Edougard 2aA Course in malthematical analysisbvol. 3, pt. 1, variation of solutions partial differential equations of the second ordercEdougard Goursat; translated by Howard G. Bergmann  aNew YorkbDover Publicationsc1964  ax, 329p.  aDifferential Calculus  aDifferential Equations  aNASA Thesaurus  aBergmann, Howard G., tr.