Asymptotic Evaluation of Temperature in the Permafrost Active Layer with Time-Dependent Boundary Conditions
LI Nan-sheng, DENG Shi-bing, WU Qing-bai
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2007, (1): 16 -20 .  DOI: 10.7522/j.issn.1000-0240.2007.0003