原文摘录
I was a graph theory junkie long ago and even moved to Budapest for awhile to study among the greats. While I was there I started working on Barnette's Conjecture which came to occupy my thoughts over the next 24 years of my life, on and of…
只用于判断是否值得阅读，不替代原文；不依据短摘录补写全文或虚构案例结果。