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[en] Four-dimensional nonlinear σ-models interacting with the gravitational field are considered. Exact solutions of Einstein equations and equations of the chiral field for the spherical and plane symmetry are obtained using the connection between the groups of isometrical motions of the space-time V4 and the space Vsub(N) of the chiral values. Conserved currents connected with isometrical motions in Vsub(N) are constructed
Journal
Teoreticheskaya i Matematicheskaya Fizika; ISSN 0564-6162; 
; v. 57(1); p. 45-54
; v. 57(1); p. 45-54