00540naa#a2200193#i#450# EN\\bibl\24748 20260314082605.6 1609-3178 20190114b2019####ek#y0engy0150####ca RU Multispectral and Multiscale Analysis of Leonardo’s Paintings Journal article Saint-Petersburg LLC SVEN 2019 3 с. Journal article local Kalligaro Toma Laval' Erik Ravo Elizabet Menyu Mishel' zh-szf.ru