@article{DAN_1977_236_3_a6,
     author = {E. I. Ostrovskii},
     title = {Covariance operators and some estimates of {Gaussian} vectors in a {Banach} space},
     journal = {Doklady Akademii Nauk},
     pages = {541--543},
     publisher = {mathdoc},
     volume = {236},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_3_a6/}
}