00581nam 2200181z- 450 9910557435203321(CKB)5400000000043371(EXLCZ)99540000000004337120220406c2020uuuu -u- -engAdvanced Mathematical Methods: Theory and ApplicationsMDPI - Multidisciplinary Digital Publishing Institute3-03928-247-6 Advanced Mathematical MethodsBOOK9910557435203321Advanced Mathematical Methods: Theory and Applications2822563UNINA