V. Bokhonko, B. Zabavsky, “A criterion of elementary divisor domain for distributive domains”, Algebra Discrete Math., 23:1 (2017), 1–6
O. Romaniv, A. Sagan, “Quasi-Euclidean duo rings with elementary reduction of matrices”, Algebra Discrete Math., 20:2 (2015), 317–324
В. Ю. Протасов, “Замкнутые геодезические на поверхности симплекса”, Матем. сб., 198:2 (2007), 103–120 ; V. Yu. Protasov, “Closed geodesics on the surface of a simplex”, Sb. Math., 198:2 (2007), 243–260