@article { author = {}, title = {اخبار و یادداشت‌ها}, journal = {خبرنامه انجمن ریاضی ایران}, volume = {43}, number = {1}, pages = {-}, year = {2022}, publisher = {انجمن ریاضی ایران}, issn = {۰۰۰۰-۰۰۰۰}, eissn = {}, doi = {}, abstract = {}, keywords = {}, url = {https://nims.ims.ir/article_155340.html}, eprint = {https://nims.ims.ir/article_155340_ec482d9e38cea84cdc36f36dc737bb8b.pdf} }