"stephenson, g . "
Partial differential equations for scientists and engineers: / G.. Stephenson - 3 ed. - uk : longman 1985. - "x, 159p.; 21 cm."
0-582-44696-1
QA377 / .S83 1985
Partial differential equations for scientists and engineers: / G.. Stephenson - 3 ed. - uk : longman 1985. - "x, 159p.; 21 cm."
0-582-44696-1
QA377 / .S83 1985