%0 Journal Article %A Vanžura, Jiří %T Conditions for integrability of a 3-form %J Archivum mathematicum %D 2017 %P 371-380 %V 53 %N 5 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.5817/AM2017-5-371/ %R 10.5817/AM2017-5-371 %G en %F 10_5817_AM2017_5_371