Gofman, Alexsandr. Halbwachs, Maurice In: Great Russian Encyclopedia. Vol. 33. Moscow: Great Russian Encyclopedia, 2017. P.734.
Gofman, Alexsandr. Halbwachs, Maurice In: Great Russian Encyclopedia. Vol. 33. Moscow: Great Russian Encyclopedia, 2017. P.734.
ISBN 978-5-85270-370-5
Posted on site: 11.05.18