@article{AIF_2018__68_6_2613_0,
     author = {Gupta, Rajeev and Ray, Samya K.},
     title = {On a {Question} of {N.} {Th.} {Varopoulos} and the constant $C_2(n)$},
     journal = {Annales de l'Institut Fourier},
     pages = {2613--2634},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {68},
     number = {6},
     year = {2018},
     doi = {10.5802/aif.3218},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.3218/}
}