@article{MZM_1968_3_6_a6,
     author = {V. M. Badkov},
     title = {Approximation of functions by partial sums of {a~Fourier} series of generalized {Jacobi} polynomials},
     journal = {Matemati\v{c}eskie zametki},
     pages = {671--682},
     publisher = {mathdoc},
     volume = {3},
     number = {6},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1968_3_6_a6/}
}