000 00286nam a22001097a 4500
020 _a9781108839808
082 _a515.35
_bNAN.P
100 _aNAndakumaran, A K
245 _aParctial differencial equations
_bClassical theory with a modern touch
260 _aUK
_bCRC
_c2020
942 _cBK
999 _c448541
_d448541