00244pam a2200109 a 4500020000500000041000800005082001300013100001900026245003900045260004000084300001000124  c  aeng  a516bEFI  aEfimov, N.V. .  aHigher Geomtry hTextual Documents  aMoscow:bM I R Publication ,c1980.  a560p.