@article{TMF_1987_70_2_a7,
     author = {V. I. Vovk and S. I. Maximov},
     title = {General representation of physical quantities in scheme-invariant perturbation theory and its optimization},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {226--233},
     publisher = {mathdoc},
     volume = {70},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_70_2_a7/}
}