TY  - JOUR
AU  - Janusz Mierczy/nski
TI  - The principal spectrum for linear
nonautonomous parabolic PDEs of second order:
Space-independent case
JO  - Colloquium Mathematicum
PY  - 2001
SP  - 95
EP  - 100
VL  - 90
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm90-1-8/
DO  - 10.4064/cm90-1-8
LA  - en
ID  - 10_4064_cm90_1_8
ER  -