00290pam a2200109 a 4500020000500000041000800005082001500013100001700028245008500045260004000130300001000170  c  aeng  a515.8bVUL  aVullkh, B.Z.  aA Brief Course in the Theory of Functions of a real variable hTextual Documents  aMoscow :bM I R Publishers ,c1976.  a162p.