…源自 Erdös 的一句话）是一本奥数题集；它可能是同类作品里最优秀的之一。Oystein Ore 写过几本很棒的数论（《Number Theory and its History》）和图论（《Graphs and their uses》）入门书；因为年代久远，现在买应该很便宜了，但可读性一点都没打折扣。Serge Tabachnikov 编写的《Kvant Selecta》是一套把《Kvant》杂志文章翻译成英文的系列文集，大概有 3(?) 卷。…
…on an Erdös quote) is an olympiad problem book; it might be one of the best in its genre. Oystein Ore has some nice introductory books on number theory (Number Theory and its History) and on graphs (Graphs and their uses); they should be cheap now due to their age, but haven't gotten any less readable. Kvant Selecta by Serge Tabachnikov is a 3(?)-volume series of articles from the Kvant journal translated into English.…
…源自 Erdös 的一句话）是一本奥数题集；它可能是同类作品里最优秀的之一。Oystein Ore 写过几本很棒的数论（《Number Theory and its History》）和图论（《Graphs and their uses》）入门书；因为年代久远，现在买应该很便宜了，但可读性一点都没打折扣。Serge Tabachnikov 编写的《Kvant Selecta》是一套把《Kvant》杂志文章翻译成英文的系列文集，大概有 3(?) 卷。…
…on an Erdös quote) is an olympiad problem book; it might be one of the best in its genre. Oystein Ore has some nice introductory books on number theory (Number Theory and its History) and on graphs (Graphs and their uses); they should be cheap now due to their age, but haven't gotten any less readable. Kvant Selecta by Serge Tabachnikov is a 3(?)-volume series of articles from the Kvant journal translated into English.…
我记得高中时读过 Oystein Ore 的《Graphs and their uses》，当时挺喜欢的。
I remember reading "Graphs and their uses" by Oystein Ore in high school and liking it.