TY - JOUR AU - Marko Petkovšek AU - Herbert S. Wilf TI - When can the sum of \((1/p)\)th of the binomial coefficients have closed form JO - The electronic journal of combinatorics PY - 1997 VL - 4 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/1336/ DO - 10.37236/1336 ID - 10_37236_1336 ER -