Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MT_1992_21_a4, author = {V. K. Ionin}, title = {On the definition of physical structures}, journal = {Matemati\v{c}eskie trudy}, pages = {42--51}, publisher = {mathdoc}, volume = {21}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_1992_21_a4/} }
V. K. Ionin. On the definition of physical structures. Matematičeskie trudy, Tome 21 (1992), pp. 42-51. http://geodesic.mathdoc.fr/item/MT_1992_21_a4/