00345nam a22001337a 450000500170000000800410001702000140005804100080007208200190008010000170009924500460011626000390016230000100020120260711124330.0260711b        |||||||| |||| 00| 0 eng d  a354008150  aeng  a530.143bDOB/L  aDobrev, V.K.  aLecture Notes in Physicsc/by V.K. Dobrev  aNew York:bSpringer-Verlag;c1977.  a279p.