Rozmarynowski , Łukasz . 2020. Multifarious Space of Abstraction. A Category of Spatiality in the Works of Wojciech Fangor, Jerzy Grabowski and Ryszard Winiarski – a Comparative Study . Artium Quaestiones. 31 (Dec. 2020), 401–436. DOI:https://doi.org/10.14746/aq.2020.31.13.