ASI SponsorZavidovique, BBZavidoviqueGesu, V DiV DiGesu2020-09-172020-09-172006-01-01https://hdl.handle.net/20.500.13025/1972Soft pyramid symmetry transformsArticle Journalhttp://link.springer.com/chapter/10.1007/10983652_2454dcce098580fe1368eeb18f