000 00259nam a2200097 4500
080 _a517.43
_bDIT.62
245 _aOperational calculus in two variables and its applications
100 _aDitkin, V.A
700 _aPrudnikov, A.P
260 _aOxford
_bPergamon Press
_c1962
300 _ax+167p
999 _c24914
_d24914