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作者张文忠。本文由著名的“36军官问题”谈起,概述了从欧拉方阵的产生到正交拉丁方的基本得解,历对170年的历史演进,是一篇饶有兴味的史话。
Author Zhang Wenzhong. This article is about the well-known “36 officer problem”. It outlines the basic solutions from the birth of the Euler’s square to the orthogonal Latin side. It is a historic story of 170 years of historical evolution.