@article{CRMATH_2002__335_1_53_0,
     author = {Papadima, Stefan and Suciu, Alexander I.},
     title = {Rational homotopy groups and {Koszul} algebras},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {53--58},
     publisher = {Elsevier},
     volume = {335},
     number = {1},
     year = {2002},
     doi = {10.1016/S1631-073X(02)02420-2},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/S1631-073X(02)02420-2/}
}