TY - JOUR AU - G. K. Privalova AU - L. K. Saran TI - Some extremal problems for a~class of functions which is star-shaped in the direction of the real axis JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1964 SP - 126 EP - 130 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1964_4_a16/ LA - ru ID - IVM_1964_4_a16 ER -