Complex variables : with an introduction to conformal mapping and its applications /

by Spiegel, Murray R. 1943-, Spiegel, Murray R. 1943-, Lipschutz, Seymour, Schiller, John J., Spellman, Dennis 1945-
Published 2009

Variable compleja /

by Spiegel, Murray R. 1943-, Spiegel, Murray R. 1943-, Lipschutz, Seymour, Schiller, John J., Spellman, Dennis 1945-
Published 2011