TY  - JOUR
AU  - W. Huyer
TI  - Semigroup formulation and approximation of a linear age-dependent population problem with spatial diffusion.
JO  - Semigroup forum
PY  - 1994
SP  - 99
EP  - 114
VL  - 49
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1994__49_2_135338/
ID  - SF_1994__49_2_135338
ER  -