Kyazhin S.N., Lebedev P. V. «On the accuracy of matrix-graph approach to investigation of transformation mixing properties» // Applied Discrete Mathematics. Supplement 2016. №9 C.57-59
Fomichev V. M., Avezova Y. E. «Conditions of primitivity and exponent bounds for sets of digraphs» // Applied Discrete Mathematics 2017. №35 C.89-101
