@article{TRSPY_1981_157_a1, author = {A. V. Bitsadze}, title = {Exact solutions of some variants of the gravitational field equations}, journal = {Informatics and Automation}, pages = {19--24}, publisher = {mathdoc}, volume = {157}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1981_157_a1/} }