TY  - JOUR
AU  - Young, Eutiquio C.
TI  - Uniqueness of solutions of the Neumann problem for singular ultrahyperbolic equations
JO  - Portugaliae mathematica
PY  - 1977
SP  - 97
EP  - 102
VL  - 36
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1977__36_2_115307/
LA  - en
ID  - PORMA_1977__36_2_115307
ER  -