@article{TRSPY_1984_163_a32, author = {V. P. Platonov}, title = {Ad\`ele groups and class numbers}, journal = {Informatics and Automation}, pages = {205--214}, publisher = {mathdoc}, volume = {163}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1984_163_a32/} }