00540nam a22001937a 4500 117559 117558 OSt 20260706113054.0 220602b ||||| |||| 00| 0 eng d 9789354600364 517.55 BRO Brown,James Ward 1386 Complex variables and applications by James Ward Brown and Ruel V Churchill 9 India Mc graw hill 2022 461 Complex number Analytic functions Churchill,Ruel V 1387 ddc BK