The existence of extremal self-dual [50,25,10] codes and quasi-symmetric 2-(49,9,6) designs

This publication has 7 references indexed in Scilit:

• Quasi-symmetric Designs
  Published by Cambridge University Press (CUP) ,1991
• On extremal self-dual quaternary codes of lengths 18 to 28. I
  IEEE Transactions on Information Theory, 1990
• Self-orthogonal designs
  Contemporary Mathematics, 1990
• A new upper bound on the minimal distance of self-dual codes
  IEEE Transactions on Information Theory, 1990
• On the (24, 12, 10) quaternary code and binary codes with an automorphism having two cycles
  IEEE Transactions on Information Theory, 1988
• Graphs, Codes and Designs
  Published by Cambridge University Press (CUP) ,1980
• A classification of self-orthogonal codes over GF(2)
  Discrete Mathematics, 1972