JETLIKE SOLUTIONS OF KLEIN-GORDON EQUATION WITH STEP NONLINEARITY ArticleEdzho F.Soviet Physics Journal. Том 22. 1979. С. 214-216
STRING-LIKE SOLUTIONS OF THE STEP-NON-LINEAR KLEIN-GORDON EQUATION ArticleEDZHO F.IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. 1979. С. 120-122
