@article{MZM_2005_77_3_a12,
     author = {A. S. Dzhumadil'daev},
     title = {Hadamard invertible matrices, $n$-scalar products, and determinants},
     journal = {Matemati\v{c}eskie zametki},
     pages = {477--480},
     publisher = {mathdoc},
     volume = {77},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2005_77_3_a12/}
}