TY - JOUR AU - Fiedler, Miroslav TI - Minimal sets of vectors which generate $R_n$ with excess $k$ JO - Czechoslovak Mathematical Journal PY - 1979 SP - 187 EP - 191 VL - 29 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101596/ DO - 10.21136/CMJ.1979.101596 LA - en ID - 10_21136_CMJ_1979_101596 ER -