||P. Ackermann and M. Kreuzer, Gröbner basis cryptosystems, AAECC 17 (2006), 173–194.
||G. S. G. N. Anjaneyulu, P. Vasudeva Reddy, and U. M. Reddy, Secured digital signature scheme using polynomials over non-commutative division semirings, Int. J. Comput. Sci. and Network Security 8 (2008), 278–284.
||M. Ajtai, Generating hard instances of lattice problems, in: Proc. 28th ACM Symposium on the Theory of Computing, Philadelphia, 1996, 99–108.
||M. Ajtai, The shortest vector problem in L2 is NP-hard for randomized reductions, in: Proc. 30th ACM Symposium on the Theory of Computing, Dallas, 1998,10–19.
||M. Ajtai and C. Dwork, A public key cryptosystem with worst-case /average-case equivalence, in: Proc. ...|