TY - JOUR AU - E. G. Goluzina TI - Estimating the second coefficient in the class of typically real functions with two function values prescribed JO - Zapiski Nauchnykh Seminarov POMI PY - 2012 SP - 59 EP - 66 VL - 405 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2012_405_a5/ LA - ru ID - ZNSL_2012_405_a5 ER -