%0 Journal Article %A Azagra, Daniel %A Gruyer, Erwan Le %A Mudarra, Carlos %T Kirszbraun’s Theorem via an Explicit Formula %J Canadian mathematical bulletin %D 2021 %P 142-153 %V 64 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008439520000314/ %R 10.4153/S0008439520000314 %F 10_4153_S0008439520000314