TY - BOOK AU - Fushchich, W I. AU - Nikitin, A G. TI - Symmetries of maxwell's equations T2 - Mathematics and its aookucatuibs,Soviet series SN - 9027723206 U1 - 530.141 PY - 1987/// CY - Boston PB - D. Reidel KW - Maxwell equations KW - Mathematical physics KW - Symmetric operators ER -