@article{IIGUM_2024_48_a7,
     author = {Boris P. Ilyin and Vladimir I. Panteleev},
     title = {Lattice of {E-closed} classes of multifunctions of rank 2},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {111--128},
     publisher = {mathdoc},
     volume = {48},
     year = {2024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2024_48_a7/}
}