@article { author = {}, title = {Persian Abstracts}, journal = {Categories and General Algebraic Structures with Applications}, volume = {3}, number = {1}, pages = {152-162}, year = {2015}, publisher = {Shahid Beheshti University}, issn = {2345-5853}, eissn = {2345-5861}, doi = {}, abstract = {}, keywords = {}, url = {https://cgasa.sbu.ac.ir/article_10707.html}, eprint = {https://cgasa.sbu.ac.ir/article_10707_bd2ac56f873d9a78aca1d5cadb95d92a.pdf} }