@article{DAN_1987_296_3_a12,
     author = {I. V. Gribkov and L. S. Solov'ev},
     title = {On the problem of the collapse of a gravitating ball},
     journal = {Doklady Akademii Nauk},
     pages = {566--571},
     publisher = {mathdoc},
     volume = {296},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_296_3_a12/}
}