%0 Journal Article %A ALBUQUERQUE, HELENA %A BARREIRO, ELISABETE %A SÁNCHEZ, JOSÉ M. %A CALVO, CARLOS SONEIRA %T COALTERNATIVE COALGEBRAS %J Glasgow mathematical journal %D 2020 %P S142-S164 %V 62 %N S1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089519000314/ %R 10.1017/S0017089519000314 %F 10_1017_S0017089519000314