BERS, P. W. (1966). Elementary partial diffential equation. McGregor.
Chicagoスタイル(17版)引用形式BERS, Paul W. Elementary Partial Diffential Equation. McGregor, 1966.
MLA(8版)引用形式BERS, Paul W. Elementary Partial Diffential Equation. McGregor, 1966.
警告: この引用は必ずしも正確ではありません.