@Article{AAMM-11-i,
author = {},
title = {Preface},
journal = {Advances in Applied Mathematics and Mechanics},
year = {2019},
volume = {11},
number = {3},
pages = {i--iii},
abstract = {},
issn = {2075-1354},
doi = {https://doi.org/ },
url = {http://global-sci.org/intro/article_detail/aamm/12979.html}
}