Chtenii͡a, posvi͡ashchennye razrabotke nauchnogo nasledii͡a i razvitii͡u ideĭ F.A. T͡Sandera (5th 1978 Riga, Latvia)

• Trudy pi͡atykh Chteniĭ, posvi͡ashchennykh razrabotke nauchnogo nasledii͡a i razvitii͡u ideĭ F.A. T͡Sandera