@article{KUIPM_1984_10_10_a2,
     author = {L. N. Pushkin},
     title = {An infinite-dimensional version of the theorem of fortet and {Kac}},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {54--66},
     year = {1984},
     volume = {10},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1984_10_10_a2/}
}