@article{MAN_1979__243_182822,
     author = {Joseph Becker},
     title = {On the {Nonflatness} of {Analytic} {Tensor} {Product.}},
     journal = {Mathematische Annalen},
     pages = {1--10},
     publisher = {mathdoc},
     volume = {243},
     year = {1979},
     zbl = {0404.12018},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__243_182822/}
}