@article{TVP_1975_20_2_a21,
     author = {A. Ephremides},
     title = {On the rank of the projection ofarandom process},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {431--432},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TVP_1975_20_2_a21/}
}