Abbot-Lawrence Lowell [1877] Surfaces of the second order, as treated by quaternions (P. A. Bo., 13, 222-250; 1877-1878). P.A.Bo. [Proceeding of the Academy of Arts and Science. Boston.] 13, 222-250.
Classification: B12d Quaternions. Fiche 1599
JFM 10.0515.01

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