 Linial, N. 

 Linial, N. (N. Linial, Y. Mansour and R. L. Rivest)  Results on Learnability and the VapnikChervonenkis Dimension  January 1991 
 Linial, N. (N. Linial, Y. Mansour and N. Nisan)  Constant depth circuits, Fourier transform, and learnability  1989 
