TY - JOUR AU - Došlý, Ondřej AU - Fiedler, Frank TI - A remark on Nehari-type oscillation criteria for self-adjoint linear differential equations JO - Commentationes Mathematicae Universitatis Carolinae PY - 1991 SP - 447 EP - 462 VL - 32 IS - 3 UR - http://geodesic.mathdoc.fr/item/CMUC_1991_32_3_a6/ LA - en ID - CMUC_1991_32_3_a6 ER -