@article{PIM_2013_N_S_94_108_a9,
     author = {Michel Dubois-Violette and Todor Popov},
     title = {$C_{\infty}$-structure on the {Cohomology} of the {Free} {2-Nilpotent} {Lie} {Algebra}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {99 },
     publisher = {mathdoc},
     volume = {_N_S_94},
     number = {108},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_2013_N_S_94_108_a9/}
}