- author
- Fulton, William and Olsson, Martin Christian
- title
- The Picard group of $\mathcal M_1,1$
- year
- 2010
- journal
- Algebra and Number Theory
- volume
- 4
- number
- 1
- pages
- 87–104

```
@ARTICLE{PicM11,
AUTHOR = "Fulton, William and Olsson, Martin Christian",
TITLE = "The {P}icard group of {$\mathcal{M}\_{1,1}$}",
JOURNAL = "Algebra and Number Theory",
VOLUME = "4",
YEAR = "2010",
NUMBER = "1",
PAGES = "87--104"
}
```