Malčeski, A. and Manova-Erakovikj, V. (2011) “SOME 2-SUBSPACES OF 2-SPACE”, Matematichki Bilten, 35(1), pp. 27–39. Available at: https://bilten.smm.org.mk/index.php/bilten/article/view/1765 (Accessed: 14 August 2026).