@article{DAN_1966_168_1_a6,
     author = {O. V. Sarmanov},
     title = {Generalized normal correlation and two-dimensional {Fr\'echet} classes},
     journal = {Doklady Akademii Nauk},
     pages = {32--35},
     publisher = {mathdoc},
     volume = {168},
     number = {1},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_1_a6/}
}