by Barna Szénássy ; [translated by Judit Pokoly ; English text revised by János Bognár]

Springer-Verlag c1992

: Berlin , : New York

所蔵館17館

János Bolyai ; with introduction, comments, and addenda, edited by Ferenc Kárteszi ; supplement by Barna Szénássy

North-Holland 1987 North-Holland mathematics studies 138

所蔵館34館