TY - JOUR AU - Andrew Granville AU - J. L. Selfridge TI - Product of integers in an interval, modulo squares JO - The electronic journal of combinatorics PY - 2001 VL - 8 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/1549/ DO - 10.37236/1549 ID - 10_37236_1549 ER -