@article{10_21136_CPM_1966_108113, author = {Barv{\'\i}nek, Erich}, title = {Characterization of central dispersions of the first kind of $y'' = Q(t)y$}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {125--130}, year = {1966}, volume = {91}, number = {2}, doi = {10.21136/CPM.1966.108113}, mrnumber = {0197822}, zbl = {0148.33205}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1966.108113/} }