@article{MABA_1988_2_3-4_a11,
     author = {V. H. Hristov and K. G. Ivanov},
     title = {Operators for {Onesided} {Approximation} by {Algebraic} {Polynomials} in {Lp[-1,1]d)}},
     journal = {Mathematica balkanica},
     pages = {374},
     publisher = {mathdoc},
     volume = {2},
     number = {3-4},
     year = {1988},
     url = {http://geodesic.mathdoc.fr/item/MABA_1988_2_3-4_a11/}
}