@article{MS2_1976__39_166483,
     author = {Einar Hille},
     title = {On some generalizations of the {Malmquist} theorem.},
     journal = {Mathematica Scandinavica},
     pages = {59--79},
     publisher = {mathdoc},
     volume = {39},
     year = {1976},
     zbl = {0349.34004},
     url = {http://geodesic.mathdoc.fr/item/MS2_1976__39_166483/}
}