Short version of this paper is in Proc. of Tenth Anual
IEEE Symposium on Logic in Computer Science (LICS), San Diego, USA,
June, 1995(.ps file) /10 pages
A. P. Kopylov. The undecidability of second order linear affine logic.
Technical report Mathematical Logic and Foundations Series,
ML-1995-10, Institute for Logic, Language and Computation,
Amsterdam, November 1995