TY - JOUR AU - Le Anh Vinh TI - On the number of orthogonal systems in vector spaces over finite fields JO - The electronic journal of combinatorics PY - 2008 VL - 15 UR - http://geodesic.mathdoc.fr/articles/10.37236/907/ DO - 10.37236/907 ID - 10_37236_907 ER -