%0 Journal Article %A Marko Petkovšek %A Herbert S. Wilf %T When can the sum of \((1/p)\)th of the binomial coefficients have closed form %J The electronic journal of combinatorics %D 1997 %V 4 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/1336/ %R 10.37236/1336 %F 10_37236_1336