@article{IM2_1970_4_5_a1,
     author = {M. S. Burgin},
     title = {Commutative products of linear $\Omega$-algebras},
     journal = {Izvestiya. Mathematics },
     pages = {979--999},
     publisher = {mathdoc},
     volume = {4},
     number = {5},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1970_4_5_a1/}
}