Fractals. Complex Geometry, Patterns, and Scaling in Nature and Society (Fractals) (20190101), 27, no.~4, 1950064, 11~pp. ISSN: 0218-348X (print).eISSN: 1793-6543.
Nonlinear Dynamics. An International Journal of Nonlinear Dynamics and Chaos in Engineering Systems (Nonlinear Dynam.) (20160101), 86, no.~1, 489-499. ISSN: 0924-090X (print).eISSN: 1573-269X.