@article{MGTA_2009_1_1_a2,
     author = {Ilya Katsev and Elena Yanovskaya},
     title = {Between the prekernel and the prenucleolus},
     journal = {Matemati\v{c}eska\^a teori\^a igr i e\"e prilo\v{z}eni\^a},
     pages = {46--66},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MGTA_2009_1_1_a2/}
}