Interval order 1970-01-01
Isolation lemma 1970-01-01
Johnson scheme 1970-01-01
Josephus problem 1970-01-01
Kalmanson combinatorial conditions 1970-01-01
Kemnitz's conjecture 1970-01-01
Ky Fan lemma 1970-01-01
Langford pairing 1970-01-01
Largest small octagon 1970-01-01
Laver table 1970-01-01
Lehmer code 1970-01-01
Li Shanlan identity 1970-01-01
Lindström–Gessel–Viennot lemma 1970-01-01
Littlewood–Offord problem 1970-01-01
Longest alternating subsequence 1970-01-01
Longest common subsequence 1970-01-01
Lovász local lemma 1970-01-01
Lubell–Yamamoto–Meshalkin inequality 1970-01-01
M. Lothaire 1970-01-01
Markov spectrum 1970-01-01