@article{CRMATH_2013__351_1-2_27_0,
     author = {B{\l}ocki, Zbigniew and Pli\'s, Szymon},
     title = {Squares of positive $ (p,p)$-forms},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {27--32},
     publisher = {Elsevier},
     volume = {351},
     number = {1-2},
     year = {2013},
     doi = {10.1016/j.crma.2013.01.009},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2013.01.009/}
}