Shimon Even, Oded Goldreich. On the Power of Cascade Ciphers. ACM Trans. Comput. Syst., 3(2):108-116, 1985. [doi]
@article{EvenG85, title = {On the Power of Cascade Ciphers}, author = {Shimon Even and Oded Goldreich}, year = {1985}, doi = {10.1145/214438.214442}, url = {http://doi.acm.org/10.1145/214438.214442}, researchr = {https://researchr.org/publication/EvenG85}, cites = {0}, citedby = {0}, journal = {ACM Trans. Comput. Syst.}, volume = {3}, number = {2}, pages = {108-116}, }