TY - JOUR
T1 - Preface
JO - Journal of Mathematical Study
VL - 3
SP - 0
EP - 0
PY - 2018
DA - 2018/08
SN - 51
DO - http://doi.org/
UR - https://global-sci.org/intro/article_detail/jms/12655.html
KW - 
AB -