Bill, M. (1996). The Mathematical Approach in Contemporary Art (1949). Theories and documents of contemporary art : A Sourcebook of Artists' Writings.

Bill, Max. "The Mathematical Approach in Contemporary Art (1949)." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings 1996.

Bill, Max. "The Mathematical Approach in Contemporary Art (1949)." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings, 1996.