@article{DAN_1964_156_3_a2,
     author = {G. I. Kalmykov},
     title = {Correlation functions of a {Gaussian} {Markov} process},
     journal = {Doklady Akademii Nauk},
     pages = {495--498},
     publisher = {mathdoc},
     volume = {156},
     number = {3},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_3_a2/}
}