https://creativecommons.org/licenses/by-nc/4.0/

Issue Date	Title	Author(s)
2021	Characterization of symplectic forms induced by some tangent G-structures of higher order	Kouotchop Wamba, P.M.; Wankap Nono, Georgy F.; Université publique de Yaundé. Camerún; Université de Ngaoundéré. Camerún
2021	Support and separation properties of convex sets infinite dimension	Soltan, V.; George Mason University. USA
2021	Homotopy theory of Moore ows (II)	Gaucher, P.; Université de Paris I
2021	Rosenthal L∞-theorem revisited	Drewnowski, Lech; Adam Mickiewicz University. Polonia