@article{MAIS_2018_25_5_a7,
     author = {N. V. Shilov},
     title = {Etude on recursion elimination},
     journal = {Modelirovanie i analiz informacionnyh sistem},
     pages = {549--560},
     publisher = {mathdoc},
     volume = {25},
     number = {5},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MAIS_2018_25_5_a7/}
}