00428nam a2200133Ia 4500082001900000100007300019245005000092260003000142300000900172490007100181500000500252700003000257856000700287  a511.6bIn39.CP  aIndian Statistical Institute, Calcutta, Research and Training School  aCombinatorial problemsbcBy S. S. Shrikhande  aCalcuttabThe Auth.c1961  a81p.  aISI summer course (advanced) for statisticians lecture notes no. 1  a  aShrikhande, S. S. ; auth.  df