| On Large Sets of v-1 L-Intersecting Steiner Triple Systems of Order v Recent countries visiting this post |  |
 | 3 | Russian Federation |
 | 1 | United States |
 | 1 | Japan |
| On Large Sets of v-1 L-Intersecting Steiner Triple Systems of Order v Recent countries visiting this post | |
| 3 | Russian Federation |
| 1 | United States |
| 1 | Japan |