no. 3
A new compactification of the moduli space of curves
Compositio Mathematica, Tome 78 (1991) no. 3, pp. 297-313. 
@article{CM_1991__78_3_297_0,
     author = {Schubert, David},
     title = {A new compactification of the moduli space of curves},
     journal = {Compositio Mathematica},
     pages = {297--313},
     publisher = {Kluwer Academic Publishers},
     volume = {78},
     number = {3},
     year = {1991},
     mrnumber = {1106299},
     zbl = {0735.14022},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1991__78_3_297_0/}
}
TY  - JOUR
AU  - Schubert, David
TI  - A new compactification of the moduli space of curves
JO  - Compositio Mathematica
PY  - 1991
SP  - 297
EP  - 313
VL  - 78
IS  - 3
PB  - Kluwer Academic Publishers
UR  - http://archive.numdam.org/item/CM_1991__78_3_297_0/
LA  - en
ID  - CM_1991__78_3_297_0
ER  - 
%0 Journal Article
%A Schubert, David
%T A new compactification of the moduli space of curves
%J Compositio Mathematica
%D 1991
%P 297-313
%V 78
%N 3
%I Kluwer Academic Publishers
%U http://archive.numdam.org/item/CM_1991__78_3_297_0/
%G en
%F CM_1991__78_3_297_0
Schubert, David. A new compactification of the moduli space of curves. Compositio Mathematica, Tome 78 (1991) no. 3, pp. 297-313. http://archive.numdam.org/item/CM_1991__78_3_297_0/

[G] Gieseker, D., Lectures on the Moduli of Curves. Tata Institute, Bombay, 1982. | MR | Zbl

[Gr] Grotendiek, A., Elements de Geometrie Algebraique, Publ. I.H.E.S. 8 (1961). | Numdam | Zbl

[H] Hartshorne, R., Algebraic Geometry. Springer-Verlag, New York, 1977. | MR | Zbl

[Mo] Morrison, I., Projective Stability of Ruled Surfaces. Inventiones Math. 56 269-304 (1980). | MR | Zbl

[Mu1] Mumford, D., Geometric Invariant Theory. Springer-Verlag, New York (1965). | MR | Zbl

[Mu2] Mumford, D., Stability of Projective Varieties. Enseignement Math. XXIII, 39-110 (1977). | MR | Zbl