Karim Nour. S-Storage Operators. Math. Log. Q., 44:99-108, 1998.
@article{Nour98, title = {S-Storage Operators}, author = {Karim Nour}, year = {1998}, researchr = {https://researchr.org/publication/Nour98}, cites = {0}, citedby = {0}, journal = {Math. Log. Q.}, volume = {44}, pages = {99-108}, }