Michel Cosnard Pascal Koiran Hélène Paugam-Moisy Bounds on the Number of Units for Computing Arbitrary Dichotomies by Multilayer Perceptrons. 57-63 1994 10 J. Complex. 1 https://doi.org/10.1006/jcom.1994.1002 db/journals/jc/jc10.html#CosnardKP94