[1] Mexican Inst Complex Syst, Tamaulipas, Mexico
[2] Univ La Habana, Fac Matemat & Comp, Dept Ecuac Diferenciales, Havana 10400, Cuba
[3] Univ Nacl Autonoma Mexico, Ctr Invest Interdisciplinarias Ciencias & Humanid, Mexico City 04510, DF, Mexico
[4] Univ Nacl Autonoma Mexico, Dept Sistemas Complejos, Inst Fis, Mexico City 04510, DF, Mexico
[5] Univ Havana, Fac Chem, MV Lomonosov Chem Div, Dept Chem Phys, Havana 10400, Cuba
[6] Univ Havana, Fac Phys, H Poincare Grp Complex Syst, Havana 10400, Cuba