%0 Journal Article %A V. I. Kochkin %T Dynamics of the Friedmann universe with boundary terms added to the action %J Teoretičeskaâ i matematičeskaâ fizika %D 2021 %P 269-276 %V 206 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_2021_206_2_a8/ %G ru %F TMF_2021_206_2_a8