@article{10_4153_CMB_1992_024_3,
     author = {Dom{\'\i}nguez, Demetrio},
     title = {Deformations of {Secondary} {Classes} for {Subfoliations}},
     journal = {Canadian mathematical bulletin},
     pages = {167--173},
     year = {1992},
     volume = {35},
     number = {2},
     doi = {10.4153/CMB-1992-024-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-024-3/}
}