Lasry, George (2014-06-13). "Solving the Double Transposition Challenge with a Divide-and-Conquer Approach". Cryptologia. 38 (3): 197–214. doi:10.1080/01611194.2014.915269. S2CID7946904.
Lasry, George (2014-06-13). "Solving the Double Transposition Challenge with a Divide-and-Conquer Approach". Cryptologia. 38 (3): 197–214. doi:10.1080/01611194.2014.915269. S2CID7946904.