On one combinatorial lemma
2011 ◽
Vol 272
(S1)
◽
pp. 186-196
Keyword(s):
1972 ◽
Vol 40
(3)
◽
pp. 719-721
◽
Keyword(s):
Keyword(s):
1978 ◽
Vol 57
(5)
◽
pp. 1645-1652
◽
1961 ◽
Vol 32
(3)
◽
pp. 901-904
◽
1981 ◽
Vol 30
(3)
◽
pp. 321-325
◽
Keyword(s):
1983 ◽
Vol 94
(2)
◽
pp. 454-459
◽
Keyword(s):
1976 ◽
Vol 20
(3)
◽
pp. 273-278
◽
Keyword(s):