Murugusundaramoorthy, Gangadharan m, Hari M Srivastava, and najundan n magesh. 2013. “Certain Subclasses of Bi-Univalent Functions Associated With the Hohlov Operator”. Global Journal of Mathematical Analysis 1 (2): 67-73. https://doi.org/10.14419/gjma.v1i2.937.