海量图书期刊资源,随时随地畅享阅读乐趣
SOME COMBINATORIAL PROBLEMS IN THE PLANEGeorge B. Purdy · 1985
Combinatorial algorithms for some 1-facility median problems in the planeH.W. Hamacher; S. Nickel · 1994
On the lattice property of the plane and some problems of Dirac, Motzkin and Erdős in combinatorial geometryJózsef Beck · Combinatorica · 1983
On a problem in combinatorial geometryP. Erdös; G. Purdy; E.G. Straus · 1982