@article{DAN_1991_320_1_a15,
     author = {S. P. Levikov and S. Yu. Sokolov},
     title = {Determination of coherence coefficient in case of two vector random processes},
     journal = {Doklady Akademii Nauk},
     pages = {78--81},
     year = {1991},
     volume = {320},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_1_a15/}
}