TY  - JOUR
AU  - Marek Kochańczyk
AU  - Frederic Grabowski
AU  - Tomasz Lipniacki
TI  - Dynamics of COVID-19 pandemic at constant and time-dependent contact rates
JO  - Mathematical modelling of natural phenomena
PY  - 2020
VL  - 15
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/2020011/
DO  - 10.1051/mmnp/2020011
LA  - en
ID  - MMNP_2020_15_a4
ER  -