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A DESCRIPTION OF PARTICLES WITH EXTENSION IN NONLINEAR FIELD THEORY ArticleNisichenko V.P., Rybakov Yu.P.Soviet Physics Journal. Vol. 18. 1975. P.. 489-492
POSSIBLE DESCRIPTION OF EXTENDED PARTICLES IN NONLINEAR FIELD-THEORY ArticleNISICHENKO V.P., RYBAKOV Y.P.IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. 1975. P.. 60-64