Kolbasina I.V., Safonov K. V., Egorushkin O.I. «On application of multidimensional complex analysis in formal language and grammar theory» // Applied Discrete Mathematics 2017. №37 C.76-89
Kolbasina I. V., Egorushkin O.I., Safonov K. V. «Syntax analysis of programs by the method of integral representations» // Applied Discrete Mathematics. Supplement 2018. №11 C.128-130