TY - BOOK ID - 8768823 TI - Partial differential equations PY - 1964 SN - 0471290882 PB - New York (N.Y.): Wiley DB - UniCat KW - 517.95 KW - #TCPW W7.0 KW - Partial differential equations KW - 517.95 Partial differential equations UR - https://www.unicat.be/uniCat?func=search&query=sysid:8768823 AB - ER -