01047nam2-2200337---450-99000333645020331620091020100037.0000333645USA01000333645(ALEPH)000333645USA0100033364520091020d1972----km-y0itay50------baengUS||||||||001yyTheory partial differential equationsH. Melvin LiebersteinNew York [etc.]Academic presscopyr. 1972XIV, 282 p.24 cmMathematics in science and engineering930010003335932001Mathematics in science and engineering93Equazioni differenziali515.353LIEBERSTEIN,Melvin H.349096ITsalbcISBD990003336450203316510 MSE (93)2895/CBS51000111320BKSCIRSIAV79020091020USA011000Theory partial differential equations1125050UNISA