@article{1195523871,
author = {Kat\^o, Yoshio},
title = {The space of bounded solutions and removable singularities of the equation $\Delta u+au\_x +bu\_y+cu=0 \left( c \leqq 0 \right)$},
journal = {Proc. Japan Acad.},
volume = {36},
number = {7},
year = {1960},
pages = { 644-649},
language = {en},
url = {http://dml.mathdoc.fr/item/1195523871}
}
Katô, Yoshio. The space of bounded solutions and removable singularities of the equation $\Delta u+au_x +bu_y+cu=0 \left( c \leqq 0 \right)$. Proc. Japan Acad., Tome 36 (1960) no. 7, pp. 644-649. http://gdmltest.u-ga.fr/item/1195523871/