TY - JOUR AU - M. S. Nikulin AU - I. S. Yusas TI - Distribution of a $\chi^2$ statistic with additional observations used to estimate the unknown parameter JO - Zapiski Nauchnykh Seminarov POMI PY - 1977 SP - 98 EP - 102 VL - 72 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1977_72_a6/ LA - ru ID - ZNSL_1977_72_a6 ER -