TY - JOUR AU - Neuman, FrantiĊĦek TI - Stationary groups of linear differential equations JO - Czechoslovak Mathematical Journal PY - 1984 SP - 645 EP - 663 VL - 34 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1984.101990/ DO - 10.21136/CMJ.1984.101990 LA - en ID - 10_21136_CMJ_1984_101990 ER -