@article{ZVMMF_1993_33_4_a11,
     author = {A. F. Izmailov and A. A. Tret'yakov},
     title = {Factor analysis of nonlinear mappings and generalization of the notion of 2-regularity},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {631--634},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_4_a11/}
}