Patil, A.B. and Shaba, T.G. (2023) “Sharp initial coefficient bounds and the Fekete–Szegö problem for some certain subclasses of analytic and bi-univalent functions”,
Ukrains’kyi Matematychnyi Zhurnal, 75(2), pp. 198–206. doi:
10.37863/umzh.v75i2.6602.