For citations:
Yusupov R.A., Afanas’ev N.I., Shul’pekov A.M. DEFECTS IN LARGE HOLLOW POROUS CYLINDRICAL FILTERS MADE BY SHS. Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya). 2017;(4):4-10. (In Russ.) https://doi.org/10.17073/1997-308X-2017-4-4-10