TY - JOUR AU - Carlson, Robert TI - Nonclassical Sturm-Liouville problems and Schrödinger operators on radial trees JO - Electronic Journal of Differential Equations PY - 2000 VL - 2000 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a122/ LA - en ID - EJDE_2000__2000__a122 ER -