%0 Journal Article %A Kamil Kaleta %T Spectral gap lower bound for the one-dimensional fractional Schrödinger operator in the interval %J Studia Mathematica %D 2012 %P 267-287 %V 209 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm209-3-5/ %R 10.4064/sm209-3-5 %G en %F 10_4064_sm209_3_5