00581nam 2200181z- 450 9910404108703321(CKB)4100000011302073(EXLCZ)99410000001130207320200623c2020uuuu -u- -engAdvanced Mathematical Methods: Theory and ApplicationsMDPI - Multidisciplinary Digital Publishing Institute3-03928-246-8 Advanced Mathematical MethodsBOOK9910404108703321Advanced Mathematical Methods: Theory and Applications2073582UNINA