@article{MM2_1988__60_2_155273,
     author = {Bertrand Arnaud},
     title = {Carre symetrique d'une forme primitive.},
     journal = {Manuscripta mathematica},
     pages = {145--170},
     publisher = {mathdoc},
     volume = {60},
     number = {2},
     year = {1988},
     zbl = {0617.10019},
     url = {http://geodesic.mathdoc.fr/item/MM2_1988__60_2_155273/}
}