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@article{10_4064_aa_39_1_95_104, author = {Paul Ponomarev}, title = {Class number formulas for quaternary quadratic forms}, journal = {Acta Arithmetica}, pages = {95--104}, publisher = {mathdoc}, volume = {39}, number = {1}, year = {1981}, doi = {10.4064/aa-39-1-95-104}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-39-1-95-104/} }
Paul Ponomarev. Class number formulas for quaternary quadratic forms. Acta Arithmetica, Tome 39 (1981) no. 1, pp. 95-104. doi : 10.4064/aa-39-1-95-104. http://geodesic.mathdoc.fr/articles/10.4064/aa-39-1-95-104/
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