00967nam2-2200325---450-99000324981020331620090521100214.0000324981USA01000324981(ALEPH)000324981USA0100032498120090521d--------km-y0itay50------baengUS||||||||001yy<<Pt. 4:>> Partial differential equationsAndrew Russell ForsythNew YorkDover publicationss.d.XX, 596 p.20 cm0010003249782001Theory of differential equationsEquazioni differenziali515.35FORSYTH,Andrew Russell12311ITsalbcISBD990003249810203316515.35 FOR/47438/CBS515.3500220695BKSCIRSIAV79020090521USA011002Partial differential equations1119728UNISA