Voir la notice de l'article dans eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{NCD_2012_20_1_a10, author = {Izidor Hafner}, title = {Slovenian {Competitions} in {Logic}}, journal = {Review of the National Center for Digitization}, pages = {85 - 88}, publisher = {mathdoc}, volume = {20}, number = {1}, year = {2012}, url = {https://geodesic-test.mathdoc.fr/item/NCD_2012_20_1_a10/} }
Izidor Hafner. Slovenian Competitions in Logic. Review of the National Center for Digitization, Tome 20 (2012) no. 1. https://geodesic-test.mathdoc.fr/item/NCD_2012_20_1_a10/