Discrete Dynamics in Nature and Society. An International Multidisciplinary Research and Review Journal (Discrete Dyn. Nat. Soc.) (20170101), Art ID 5193013, 22~pp. ISSN: 1026-0226 (print).eISSN: 1607-887X.
Discrete Dynamics in Nature and Society. An International Multidisciplinary Research and Review Journal (Discrete Dyn. Nat. Soc.) (20100101), Art ID 379649, 30~pp. ISSN: 1026-0226 (print).eISSN: 1607-887X.