@Article{AAMM-12-i,
author = {},
title = {Preface},
journal = {Advances in Applied Mathematics and Mechanics},
year = {2019},
volume = {12},
number = {1},
pages = {i--ii},
abstract = {},
issn = {2075-1354},
doi = {https://doi.org/},
url = {http://global-sci.org/intro/article_detail/aamm/13416.html}
}