Czakon D, Michna NA, Sosnowski L, редакторы. On the Difficult Academic and Personal Relationship of Roman Ingarden and Kazimierz Twardowski . 63. в: Roman Ingarden and His Times [Интернет]. Poland: Księgarnia Akademicka Publishing; 2020 [цитируется по 5 ноябрь 2026 г.]. доступно на: https://books.akademicka.pl/publishing/catalog/book/83/chapter/1060