@article{MABA_1989_3_2_a9,
     author = {L. Aleksandrov and D. Dryanov},
     title = {One-Sided {Multidimensional} {Approximation} by {Entire} {Functions} and {Trigonometric} {Polynomials} in {Lp-Metric,} 0<p\ensuremath{\leq}\ensuremath{\infty}},
     journal = {Mathematica balkanica},
     pages = {215},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1989},
     url = {http://geodesic.mathdoc.fr/item/MABA_1989_3_2_a9/}
}