Décio Krause. On a Quasi-Set Theory. Notre Dame Journal of Formal Logic, 33(3):402-411, 1992.
@article{Krause92, title = {On a Quasi-Set Theory}, author = {Décio Krause}, year = {1992}, researchr = {https://researchr.org/publication/Krause92}, cites = {0}, citedby = {0}, journal = {Notre Dame Journal of Formal Logic}, volume = {33}, number = {3}, pages = {402-411}, }