Spread of balleans Mahmoud Filali | Igor V. Protasov | Show more Mahmoud Filali Finland University of Oulu Dept of Math. Sciences Igor V. Protasov Ukraine Kyiv University Department of Cybernetics Submitted: 2013-10-30 | Accepted: 2013-10-30 | DOI: https://doi.org/10.4995/agt.2008.1796
