Uri Abraham, Saharon Shelah. Ladder gaps over stationary sets. Journal of Symbolic Logic, 69(2):518-532, 2004. [doi]
@article{AbrahamS04, title = {Ladder gaps over stationary sets}, author = {Uri Abraham and Saharon Shelah}, year = {2004}, url = {http://projecteuclid.org/euclid.jsl/1082418541}, researchr = {https://researchr.org/publication/AbrahamS04}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {69}, number = {2}, pages = {518-532}, }