@article{DE_1999_35_7_a8,
     author = {I. P. Denisova},
     title = {Development of the method of spin coefficients for the integration of equations of bimetric gravitational theories},
     journal = {Differencialʹnye uravneni\^a},
     pages = {935--941},
     publisher = {mathdoc},
     volume = {35},
     number = {7},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_7_a8/}
}