On the Banach-Steinhaus Theorem for Topological Groups. - Semyon N. Litvinov (Am. Math. Mon., 2011)

On the Steiner-Routh Theorem for Simplices. - Frantisek Marko; Semyon N. Litvinov (Am. Math. Mon., 2017)

Geometry of Figurate Numbers and Sums of Powers of Consecutive Natural Numbers. - Frantisek Marko; Semyon N. Litvinov (Am. Math. Mon., 2020)