A SUFFICIENT AND NECESSARY CONDITION OF CONTINUITY OF THE LIMIT FUNCTION[J]. Journal of Civil and Environmental Engineering, 1993, 15(4).

DOI：

A SUFFICIENT AND NECESSARY CONDITION OF CONTINUITY OF THE LIMIT FUNCTION[J]. Journal of Civil and Environmental Engineering, 1993, 15(4). DOI： 10.11835/j.issn.1674-4764.1993.04.013.