Another extension of Lobachevsky’s formula
Hongwei Chen
Christopher Newport University, USA
Cite this article
Hongwei Chen, Another extension of Lobachevsky’s formula. Elem. Math. 78 (2023), no. 3, pp. 93–100
DOI 10.4171/EM/494Hongwei Chen, Another extension of Lobachevsky’s formula. Elem. Math. 78 (2023), no. 3, pp. 93–100
DOI 10.4171/EM/494