@article{MMNP_2021_16_a45, author = {M.A. Aziz-Alaoui and F. Najm and R. Yafia}, title = {SIARD model and effect of lockdown on the dynamics of {COVID-19} disease with non total immunity}, journal = {Mathematical modelling of natural phenomena}, eid = {31}, publisher = {mathdoc}, volume = {16}, year = {2021}, doi = {10.1051/mmnp/2021025}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1051/mmnp/2021025/} }