@article{IM_1968__6_141944,
     author = {H.W. SCHUSTER},
     title = {Deformationen analytischer {Algebren.}},
     journal = {Inventiones mathematicae},
     pages = {262--274},
     publisher = {mathdoc},
     volume = {6},
     year = {1968},
     url = {http://geodesic.mathdoc.fr/item/IM_1968__6_141944/}
}