no. 1-2
Multicanonical systems of elliptic surfaces in small characteristics
Compositio Mathematica, Tome 97 (1995) no. 1-2, pp. 119-134. 
@article{CM_1995__97_1-2_119_0,
     author = {Katsura, Toshiyuki},
     title = {Multicanonical systems of elliptic surfaces in small characteristics},
     journal = {Compositio Mathematica},
     pages = {119--134},
     publisher = {Kluwer Academic Publishers},
     volume = {97},
     number = {1-2},
     year = {1995},
     mrnumber = {1355120},
     zbl = {0860.14036},
     language = {en},
     url = {http://www.numdam.org/item/CM_1995__97_1-2_119_0/}
}
TY  - JOUR
AU  - Katsura, Toshiyuki
TI  - Multicanonical systems of elliptic surfaces in small characteristics
JO  - Compositio Mathematica
PY  - 1995
SP  - 119
EP  - 134
VL  - 97
IS  - 1-2
PB  - Kluwer Academic Publishers
UR  - http://www.numdam.org/item/CM_1995__97_1-2_119_0/
LA  - en
ID  - CM_1995__97_1-2_119_0
ER  - 
%0 Journal Article
%A Katsura, Toshiyuki
%T Multicanonical systems of elliptic surfaces in small characteristics
%J Compositio Mathematica
%D 1995
%P 119-134
%V 97
%N 1-2
%I Kluwer Academic Publishers
%U http://www.numdam.org/item/CM_1995__97_1-2_119_0/
%G en
%F CM_1995__97_1-2_119_0
Katsura, Toshiyuki. Multicanonical systems of elliptic surfaces in small characteristics. Compositio Mathematica, Tome 97 (1995) no. 1-2, pp. 119-134. http://www.numdam.org/item/CM_1995__97_1-2_119_0/

1 Bombieri, E. and Mumford, D.: Enriques' classification of surfaces in char. p, II, in W. L. Baily, Jr. and T. Shioda (eds), Complex Analysis and Algebraic Geometry, Iwanami Shoten, Tokyo, and Princeton Univ. Press, Princeton, NJ, 1977, pp. 22-42. | MR | Zbl

2 Ganong, R. and Russel, P.: Derivations with only divisorial singularities on rational and ruled surfaces, J. Pure Appl. Algebra 26 (1982), 165-182. | MR | Zbl

3 Iitaka, S.: Deformations of compact complex surfaces, II, J. Math. Soc. Jpn 22 (1970), 247-261. | MR | Zbl

4 Katsura, T. and Ueno, K.: On elliptic surfaces in characteristic p, Math. Ann. 272 (1985) 291-330. | MR | Zbl

5 Rudakov, A.N. and Shafarevich, I.R.: Inseparable morphisms of algebraic surfaces, Izv. Acad. Nauk SSSR Ser. Mat. 40 (1976), 1269-1307;Engl. Transl. Math. USSR Izv. 5 (1976), 1205-1237. | MR | Zbl