TY - JOUR AU - A. B. Zaitsev TI - On the univalence of solutions of second order elliptic equations in the unit disk on the plane JO - Zapiski Nauchnykh Seminarov POMI PY - 2015 SP - 91 EP - 100 VL - 434 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2015_434_a7/ LA - ru ID - ZNSL_2015_434_a7 ER -