@article{AL_2017_56_2_a6,
     author = {I. S. Kalimullin and A. G. Melnikov and K. M. Ng},
     title = {The diversity of categoricity without delay},
     journal = {Algebra i logika},
     pages = {256--266},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2017_56_2_a6/}
}