@article{TVP_1968_13_2_a20,
     author = {M. I. Freidlin},
     title = {On factorization of a~nonnegatively definite matrix},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {375--378},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1968_13_2_a20/}
}