G\'{e}om\'{e}trie des surfaces alg\'{e}briques et points entiers
  Let $X$ be a projective normal surface over a number field $K$. Let $H$ be the sum of four properly intersecting ample effective divisors on $X$. We show that any set of $S$-integral points in $X-H$ is not Zariski dense. 
Pascal Autissier (IRMAR)