On the number of subgroups of given index in SL2(Z)
Research output: Contribution to journal › Article › Research › peer-review
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| Original language | English |
|---|---|
| Pages (from-to) | 224-231 |
| Number of pages | 8 |
| Journal | Archiv der Mathematik |
| Volume | 31 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Dec 1978 |
