@article{DM_1990_2_4_a11,
     author = {Zh. Dou},
     title = {Problems of completeness for finitely generated functional systems $\langle P_{k,2},\widetilde\Omega\rangle$ and $\langle P_{k,2},\widehat\Omega\rangle$},
     journal = {Diskretnaya Matematika},
     pages = {116--124},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1990_2_4_a11/}
}