TY  - JOUR
AU  - N. Bozhinov
AU  - E. M. Elabd
TI  - Joint Root Function Expansion of the Nonlocal Partial Integro-Differential Operators of First and Second Order
JO  - Mathematica balkanica
PY  - 1998
SP  - 253
VL  - 12
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1998_12_3-4_a0/
ID  - MABA_1998_12_3-4_a0
ER  -