@article{UZKU_1970_130_3_a8,
     author = {R. G. Nigmatullin},
     title = {The largest number of kernels in graphs with $n$ vertices},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {75--82},
     publisher = {mathdoc},
     volume = {130},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1970_130_3_a8/}
}