TY  - JOUR
AU  - E. M. E. Zayed 
TI  - Short-time Asymptotics of the two-Dimensional wave Equation for an Annular Vibrating Membrane with Piecewise smooth Boundary Conditions
JO  - Δελτίο της Ελληνικής Μαθηματικής Εταιρίας

PY  - 2004
SP  - 75
EP  - 84
VL  - 49
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DEME_2004__49_a5/
LA  - gr
ID  - DEME_2004__49_a5
ER  -