@article{MZM_2014_96_2_a4,
     author = {D. N. Ivanov},
     title = {Hadamard {Algebras}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {207--211},
     publisher = {mathdoc},
     volume = {96},
     number = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2014_96_2_a4/}
}