@article{ZNSL_1976_61_a5,
     author = {A. M. Kagan},
     title = {Some wide-sense analogs of characteristic properties of the normal distribution},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {59--67},
     year = {1976},
     volume = {61},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_61_a5/}
}