@article{MZ_1972__127_171779,
     author = {Frederick V. Atkinson and W. D. Evans},
     title = {On {Solutions} of a {Differential} {Equation} which are not of {Integrable} {Square.}},
     journal = {Mathematische Zeitschrift},
     pages = {323--332},
     publisher = {mathdoc},
     volume = {127},
     year = {1972},
     zbl = {0226.34026},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__127_171779/}
}