000 00388nam a2200109Ia 4500
008 230704s9999 xx 000 0 und d
100 _aRobert Johnson
245 3 _aAn Introduction to Partial Differential Equation
650 _aEngineering and Mathematics
856 _uhttps://new.zodml.org/sites/default/files/2023-07/an-introduction-to-partial-differential-equations.pdf
942 _cEBK
999 _c17587
_d17587