|  JETP, Vol. 30, 
No. 2,
p. 372 (February 1970)
 (Russian original - ZhETF, 
	Vol. 57, 
	No. 2, 
	p. 680,
	February 1970
)
 
 
 
	Quadratic Corrections to the Lagrangian Density of the Gravitational Field and the Singularity
T.V. Ruzmaikina, A.A. Ruzmaikin
 
 Received: March 24, 1969
 
 
 
 
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