TY - JOUR AU - Karulina, Elena TI - Some estimates for the minimal eigenvalue of the Sturm-Liouville problem with third-type boundary conditions JO - Mathematica Bohemica PY - 2011 SP - 377 EP - 384 VL - 136 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2011.141697/ DO - 10.21136/MB.2011.141697 LA - en ID - 10_21136_MB_2011_141697 ER -