@article{GDZPPN002388588,
title = {On solutions of ...V+V = 0 in an exterior region.},
journal = {Mathematische Zeitschrift},
volume = {71},
year = {1959},
pages = {251-257},
zbl = {0092.31402},
url = {http://dml.mathdoc.fr/item/GDZPPN002388588}
}
Hartman, Philip. On solutions of ...V+V = 0 in an exterior region.. Mathematische Zeitschrift, Tome 71 (1959) pp. 251-257. http://gdmltest.u-ga.fr/item/GDZPPN002388588/