@article{1195524958,
author = {Shirota, Taira},
title = {The initial value problem for linear partial differential equations with variable coefficients, III},
journal = {Proc. Japan Acad.},
volume = {33},
number = {10},
year = {1957},
pages = { 457-461},
language = {en},
url = {http://dml.mathdoc.fr/item/1195524958}
}
Shirota, Taira. The initial value problem for linear partial differential equations with variable coefficients, III. Proc. Japan Acad., Tome 33 (1957) no. 10, pp. 457-461. http://gdmltest.u-ga.fr/item/1195524958/