An extension of the Lobachevsky formula
Hassan Jolany
Université Lille I, Villeneuve-d'Ascq, France
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