00274nam a22000737a 4500008004100000245009600041264004000137653002300177231103s1980    ru ||||| |||| 00| 0 eng d  aProblems in physics /c[by] A. A. Pinsky ; translated from the Russian by Mark Samokhvalov.  aMoscow :bMir Publishers, c[1980].  aფიზიკა