@article{MM2_1989__64_2_155394,
     author = {M. Boyom Nguiffo},
     title = {Varietes symplectiques affines.},
     journal = {Manuscripta mathematica},
     pages = {1--34},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1989},
     zbl = {0681.58017},
     url = {http://geodesic.mathdoc.fr/item/MM2_1989__64_2_155394/}
}