STABILITY OF ELECTRON PHASE SPACE HOLES Article Rybakov Yu.P. Solitons and applications (Dubna, 1989). World Sci. Publ., River Edge, NJ. 1990. P. 368-373
ON STRUCTURE OF THE ROTATING SKYRMION Article Rybakov Yu.P. Solitons and applications (Dubna, 1989). World Sci. Publ., River Edge, NJ. 1990. P. 421-424
ON THE METHODS OF FINDING FIRST INTEGRALS IN APPLICATION TO THE SKYRME MODEL Article Sanyuk V.I. Solitons and applications (Dubna, 1989). World Sci. Publ., River Edge, NJ. 1990. P. 425-428
FUNCTION SPACES, DIFFERENTIAL OPERATORS AND NONLINEAR ANALYSIS (FRIEDRICHRODA, 1992) Conference proceedings Teubner, Stuttgart.