TY - BOOK ED - Symposium on the Numerical Treatment of Partial Differential equations with Real Characteristics( 1959 : Rome ) ED - Symposium on the Numerical Treatment of Partial Differential equations with Real Characteristics TI - Numerical treatment of partial differential equations: proceedings U1 - 515.353 PY - 1959/// CY - Stuttgart PB - Birkhauser Verlag KW - Partial differential equations ER -