Geodesic
On a problem in the bimetric theory of gravitation
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (1987), pp. 69-74.

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The solutions of problems on the bimetric theory of gravitation for the case of spherical-symmetric distribution of matter are given in the paper for the equation of $p = aP$ state. It has been shown that one needs only one numerical integration indipendent of $a$ and the value of the pressure in the centre of the configuration. 
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R. M. Avakyan; A. V. Sarkissian; E. V. Chubaryan. On a problem in the bimetric theory of gravitation. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (1987), pp. 69-74. http://geodesic.mathdoc.fr/item/UZERU_1987_1_a10/

[1] D. Kramer, H. Stephani, M. Mac Callum, E. Hert, Tochnye resheniya uravnenii Einshteina, eds. E. Shmuttsera, Energoizdat, M., 1982) | MR

[2] N. Rosen, “On the Bimetric Theory of Gravitation”, Ann. of. Phys., 84 (1974), 445 | DOI

[3] P. M. Avakyan, B. V. Khachatryan, E. V. Chubaryan, “K bimetricheskoi teorii Rozena”, Trudy IV seminara Tsentralnogo instituta astrofiziki AN GDR, 1980

[4] A. V. Sarkissian, R. M. Avakian, V. T. Karapetian, “On the Singularity in BTG”, Astrophys. and Sp. Sci., III (1985), 197 | DOI