| Identifier : | 640 |
| Title : | H. Poincaré à Gösta Mittag-Leffler |
| Author surname : | Poincaré |
| Author first name : | Henri |
| Recipient surname : | Mittag-Leffler |
| Recipient first name : | Gösta |
| Sent from : | Paris |
| Sent to : | Stockholm |
| Date YYYY-MM-DD : | 1890-05-10 |
| Language : | fr |
| Incipit : | Il y a fort longtemps |
| Source : | Mittag-Leffler Institute |
| Transcription file : | mittag-leffler99 |
| Image file : | mittag-leffler99 |
| Pages : | 4 |
| Document type : | ALS |