TY - JOUR AU - S. S. Ezhak TI - On a minimization problem for a functional generated by the Sturm–Liouville problem with integral condition on the potential JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2015 SP - 57 EP - 61 IS - 6 UR - http://geodesic.mathdoc.fr/item/VSGU_2015_6_a6/ LA - ru ID - VSGU_2015_6_a6 ER -