@article{10_4064_cm_80_2_155_174,
     author = {Yosuke Ohnuki and Kaoru Takeda and Kunio Yamagata},
     title = {Symmetric {Hochschild} extension algebras},
     journal = {Colloquium Mathematicum},
     pages = {155--174},
     publisher = {mathdoc},
     volume = {80},
     number = {2},
     year = {1999},
     doi = {10.4064/cm-80-2-155-174},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-80-2-155-174/}
}