Differ. Uravn., 1993 Volume 29, Number 4,Page 731(Mi de8087)
Letters to the Editor
Letter to the editors: “A formula for the first regularized trace of a power of the Laplace operator on a triangle” [Differentsial'nye Uravneniya 28 (1992), no. 7, 1274–1276, 1288] by Dubrovskiǐ and E. Yu. Kunakova