@article{MZM_2002_71_3_a11,
     author = {S. M. Ageev and D. Repov\v{s}},
     title = {The {Jaworowski} {Method} in the {Problem} of the {Preservation} of {Extensor} {Properties} by the {Orbit} {Functor}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {470--473},
     publisher = {mathdoc},
     volume = {71},
     number = {3},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_71_3_a11/}
}