@article{HHA_2002_4_2_a4,
     author = {Hans-Joachim Baues and Elias Gabriel Minian},
     title = {Crossed extensions of algebras and {Hochschild} cohomology},
     journal = {Homology, homotopy, and applications},
     pages = {63--82},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {2002},
     doi = {10.4310/HHA.2002.v4.n2.a4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4310/HHA.2002.v4.n2.a4/}
}