@article{GDZPPN002041634, title = {On a problem of Chern-Akivis-Shelekhov on hexagonal three-webs.}, journal = {Aequationes mathematicae}, volume = {52}, year = {1996}, pages = {1-11}, zbl = {0845.53011}, url = {http://dml.mathdoc.fr/item/GDZPPN002041634} }
Mikheev, P.O. On a problem of Chern-Akivis-Shelekhov on hexagonal three-webs.. Aequationes mathematicae, Tome 52 (1996) pp. 1-11. http://gdmltest.u-ga.fr/item/GDZPPN002041634/