TY - JOUR AU - Došlá, Zuzana AU - Došlý, Ondřej TI - On transformations of singular quadratic functionals corresponding to equation $(py')'+qy=0$ JO - Archivum mathematicum PY - 1988 SP - 75 EP - 81 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1988__24_2_a3/ LA - en ID - ARM_1988__24_2_a3 ER -