@article{ARM_1981__17_2_a4,
     author = {R\'ab, Milo\v{s}},
     title = {Linear differential equations of the 2nd order whose principal solution has unbounded logarithmic derivative},
     journal = {Archivum mathematicum},
     pages = {91--94},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1981},
     mrnumber = {673251},
     zbl = {0482.34024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1981__17_2_a4/}
}