@article{CM_1977__34_1_91_0,
     author = {Marry, Pierre},
     title = {Type d'homotopie rationnelle relative des fibr\'es en vari\'et\'es de {Stiefel}},
     journal = {Compositio Mathematica},
     pages = {91--98},
     publisher = {Noordhoff International Publishing},
     volume = {34},
     number = {1},
     year = {1977},
     mrnumber = {461497},
     zbl = {0393.55017},
     language = {fr},
     url = {http://www.numdam.org/item/CM_1977__34_1_91_0/}
}