![](https://dblp.uni-trier.de/img/logo.ua.320x120.png)
![](https://dblp.uni-trier.de/img/dropdown.dark.16x16.png)
![](https://dblp.uni-trier.de/img/peace.dark.16x16.png)
Остановите войну!
for scientists:
![search dblp search dblp](https://dblp.uni-trier.de/img/search.dark.16x16.png)
![search dblp](https://dblp.uni-trier.de/img/search.dark.16x16.png)
default search action
"New necessary and sufficient conditions on (ai, mi) ..."
Stefan Porubský, Johanan Schönheim (2002)
- Stefan Porubský, Johanan Schönheim:
New necessary and sufficient conditions on (ai, mi) in order that x = ai (mod mi) be a covering system. Electron. Notes Discret. Math. 11: 562-566 (2002)
![](https://dblp.uni-trier.de/img/cog.dark.24x24.png)
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.