@article{10_4064_aa138_2_5,
     author = {Christophe Smet and Walter Van Assche},
     title = {Irrationality proof of a $q$-extension of $\zeta (2)$ 
 using little $q${-Jacobi} polynomials},
     journal = {Acta Arithmetica},
     pages = {165--178},
     publisher = {mathdoc},
     volume = {138},
     number = {2},
     year = {2009},
     doi = {10.4064/aa138-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa138-2-5/}
}