@misc{10_4153_CJM_1969_024_6,
     title = {On the {Criterion} of {Stasheff}},
     journal = {Canadian journal of mathematics},
     pages = {250--255},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-024-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-024-6/}
}