EXACT PLANE SYMMETRIC SOLUTIONS OF SIN-GORDON EQUATIONS WITH INHERENT GRAVITATIONAL FIELDS TAKEN INTO ACCOUNT Article Shikin G.N. Russian Physics Journal. Springer New York LLC. Vol. 39. 1996. P. 977-983
SELF-GRAVITATING THREE-DIMENSIONAL SOLITONS IN NONLINEAR SCALE-INVARIANT ELECTRODYNAMICS Article Chugunov I.G., Rybakov Yu.P., Shikin G.N. International Journal of Theoretical Physics. Kluwer Academic/Plenum Publishers. Vol. 35. 1996. P. 1493-1502
STABILITY OF CYLINDRICAL SOLITONS IN GOEDELS UNIVERSE Article BRONNIKOV K.A., RYBAKOV Y.P., SHIKIN G.N. IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Издательство научно-технической литературы. Vol. 34. 1991. P. 24-27
CYLINDRICAL SOLITONS IN A GÖDEL UNIVERSE AND THEIR STABILITY Article Bronnikov K.A., Rybakov Yu.P., Shikin G.N. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 34. 1991. P. 404-406