1) The journal is "Integral Transforms and Special Functions"
2) Guest editors are
   - Galina Filipuk
   - Christoph Koutschan
   - Francisco Marcellan
   - Walter Van Assche
3) Online submissions are through
   https://www.tandfonline.com/action/authorSubmission?journalCode=gitr20
4) Choose "OPSFA15" when the system asks for the special issue
5) Deadline: March 31, 2020.