TY - JOUR AU - Ondřej Došlý TI - On transformations of self-adjoint linear differential systems and their reciprocals JO - Annales Polonici Mathematici PY - 1989 SP - 223 EP - 234 VL - 50 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-50-3-223-234/ DO - 10.4064/ap-50-3-223-234 LA - en ID - 10_4064_ap_50_3_223_234 ER -