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@article{DAN_1982_267_3_a9, author = {R. K. Romanovskii}, title = {On {Riemann} matrices of the first and second kind}, journal = {Doklady Akademii Nauk}, pages = {557--560}, publisher = {mathdoc}, volume = {267}, number = {3}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_267_3_a9/} }
R. K. Romanovskii. On Riemann matrices of the first and second kind. Doklady Akademii Nauk, Tome 267 (1982) no. 3, pp. 557-560. http://geodesic.mathdoc.fr/item/DAN_1982_267_3_a9/