@article{AIF_2011__61_7_2751_0,
     author = {Tavakol, Mehdi},
     title = {The tautological ring of $M_{1,n}^{ct}$},
     journal = {Annales de l'Institut Fourier},
     pages = {2751--2779},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {61},
     number = {7},
     year = {2011},
     doi = {10.5802/aif.2793},
     mrnumber = {3112507},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.2793/}
}