no. 1
The scheme of morphisms from an elliptic curve to a Grassmannian
Compositio Mathematica, Tome 63 (1987) no. 1, pp. 15-40. 
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     author = {Brugui\`eres, A.},
     title = {The scheme of morphisms from an elliptic curve to a {Grassmannian}},
     journal = {Compositio Mathematica},
     pages = {15--40},
     publisher = {Martinus Nijhoff Publishers},
     volume = {63},
     number = {1},
     year = {1987},
     mrnumber = {906377},
     zbl = {0664.14005},
     language = {en},
     url = {http://www.numdam.org/item/CM_1987__63_1_15_0/}
}
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Bruguières, A. The scheme of morphisms from an elliptic curve to a Grassmannian. Compositio Mathematica, Tome 63 (1987) no. 1, pp. 15-40. http://www.numdam.org/item/CM_1987__63_1_15_0/

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