@article{AL_2011_50_3_a3,
     author = {S. A. Drobyshevich},
     title = {A hybrid calculus for logic~$N^*$: {Residual} finiteness and decidability},
     journal = {Algebra i logika},
     pages = {351--367},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2011_50_3_a3/}
}