00413nam a22001457a 450000500170000000800410001702000150005805000170007310000170009024500790010725000080018626000350019430000190022970000190024820260611113752.0260611b |||||||| |||| 00| 0 eng d a0080181767 aQC665.E4.L34 aLandau L. D. aThe classical theory of fields :bcourse of theoretical physics volume 2 / a4th aNew YorkbPergamon pressc1975 axi, 402P.bHbk aLifshitz E. M.