LEWYH. On thenon-vanishing oftheJacobianin certain one-to-onemappings [J]. Bulletin of the American Mathematical Society, 1936.689-692.doi:10.1090/S0002-9904-1936-06397-4.
JAHANGIRI J M. Coefficient bounds and univalence criteria for harmonic functions with negative coefficients [J]. Ann Univ Mariae Cruie-Sklodowska Sect, 1998(2):57-66.
[4]
(O)ZT(U)RK M, YALCIN S, YAMANKARADENIZ M. Convex subclass of harmonic starlike functions [J]. Applied Mathematics and Computation, 2004.449-459.
[5]
CHUAQUIM, HERNANDEZR. Univalent harmonic mappings and linearly connecteddomains [J]. Journal of Mathematical Analysis and Applications, 2007(2):1189-1194.doi:10.1016/j.jmaa.2006.10.086.
