1. Mathematical Problems with Elementary Solutions;Yaglom,1964
2. Mathematical Problems with Elementary Solutions;Yaglom,1964
3. Nondiscrete spins and the Lee-Yang theorem;Newman,1973
4. On the absence of bound states in the φ4 quantum field model without symmetry breaking;Feldman;Canad. J. Phys.,1974
5. Advanced Combinatorics;Comtet,1974