Partial Differential Equations of Mathematical Physics and Integral Equations (Dover Books on Mathematics)
,A First Course in Differential Equations with Modeling Applications,Partial Differential Equations of Mathematical Physics and Integral Equations (Dover Books on Mathematics): Guenther, Ronald B., Lee, John W.: 9780486688893: Amazon.com: Books,Partial Differential Equations of Mathematical Physics and Integral Equations (Dover Books on Mathematics),Differential Equations with Applications to Mathematical Physics, Volume 192 (Mathematics in Science and Engineering): Ames: 9780120567409: Amazon.com: Books