ZhETF, Vol. 68,
p. 1968 (July 1975)
(English translation - JETP,
The issue content is only available in english translation.
Erratum: construction of a general cosmological solution of the Einstein equation with a time singularity [Sov. Phys. JETP 35,838 (1972)]
V.A. Belinskii, E.M. Lifshitz, I.M. Khalatnikov