@article{SEMR_2018_15_a24,
     author = {S. Ospichev and D. Ponomarev},
     title = {On the complexity of formulas in semantic programming},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {987--995},
     publisher = {mathdoc},
     volume = {15},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2018_15_a24/}
}