An extension of the Lobachevsky formula
Hassan Jolany
Université Lille I, Villeneuve-d'Ascq, France
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Cite this article
Hassan Jolany, An extension of the Lobachevsky formula. Elem. Math. 73 (2018), no. 3, pp. 89–94
DOI 10.4171/EM/358Hassan Jolany, An extension of the Lobachevsky formula. Elem. Math. 73 (2018), no. 3, pp. 89–94
DOI 10.4171/EM/358