Functional Analysis in Interdisciplinary Applications--II : ICAAM, Lefkosa, Cyprus, September 6-9 2018 - Ashyralyev, Allaberen; Kalmenov, Tynysbek Sh.; Ruzhansky, Michael V.; Sadybekov, Makhmud A.; Suragan, Durvudkhan (Springer International Publishing, 2021)