@article{TMF_1981_49_3_a4,
     author = {M. Bordag and D. Robaschik},
     title = {Altarelli--Parisi equations as renormalization-group equations for the coefficients of nonlocal expansion on the light cone},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {330--343},
     publisher = {mathdoc},
     volume = {49},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_49_3_a4/}
}