@article{DAN_1987_293_5_a20,
     author = {I. V. Pokrovskaya and E. A. Sharkov},
     title = {Foam activity on the sea surface as a {Markov} random process},
     journal = {Doklady Akademii Nauk},
     pages = {1108--1111},
     publisher = {mathdoc},
     volume = {293},
     number = {5},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_5_a20/}
}