@article{RM_2001_56_4_a1,
     author = {A. G. Pinus},
     title = {Conditional terms and their applications in algebra and computation theory},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {649--686},
     publisher = {mathdoc},
     volume = {56},
     number = {4},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2001_56_4_a1/}
}