TY - JOUR AU - Došlý, Ondřej AU - Komenda, Jan TI - Conjugacy criteria and principal solutions of self-adjoint differential equations JO - Archivum mathematicum PY - 1995 SP - 217 EP - 238 VL - 31 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1995__31_3_a5/ LA - en ID - ARM_1995__31_3_a5 ER -