%0 Journal Article %A E. A. Onoprienko %A A. M. Shelekhov %T Bol three-webs $B_m^{\triangledown}$ with torsion tensor of rank $\rho$ %J Sbornik. Mathematics %D 2018 %P 1164-1210 %V 209 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2018_209_8_a3/ %G en %F SM_2018_209_8_a3