PAPADOPOULOS, B. K. (1989). A TOPOLOGICAL LATTICE ON THE SET OF MULTIFUNCTIONS. International Journal of Mathematics and Mathematical Sciences, 1989(), 665-668. https://doi.org/10.1155/S0161171289000815
CHEN, J., WONG, K., ZHENG, H., & SHUAI, J. (2002). The Coupling of Dynamics in Coupled Map Lattices. Discrete Dynamics in Nature and Society, 2002(), 157-160. https://doi.org/10.1080/1026022021000001427