00497naa#a2200169#i#450# EN\\bibl\28241 20260109032703.5 1609-3178 20190403b2019####ek#y0engy0150####ca RU Results of Investigation of X-ray Diagram of Panoramic X-ray Apparatus Journal article Saint-Petersburg LLC SVEN 2019 2 с. Journal article local Krasilnikov Sergey B. Panteleev Viktor A. naukaru.ru