2. De numeris amicabilibus.
Insunt plura inedita, tractatus de numerorum doctrina capita XVI aliaque Tomus posterior, GDML_Books, (1849), p. 637 / Harvested from
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@article{PPN584774036+DMDLOG_0021,
     title = {2. De numeris amicabilibus.},
     booktitle = {Insunt plura inedita, tractatus de numerorum doctrina capita XVI aliaque Tomus posterior},
     series = {GDML\_Books},
     publisher = {Acad. Scient.},
     address = {Petropoli},
     year = {1849},
     pages = {637},
     url = {http://dml.mathdoc.fr/item/PPN584774036+DMDLOG_0021}
}

 (éd.). 2. De numeris amicabilibus., dans Insunt plura inedita, tractatus de numerorum doctrina capita XVI aliaque Tomus posterior, GDML_Books,  (1849), p. 637. http://gdmltest.u-ga.fr/item/PPN584774036+DMDLOG_0021/