@article{SM_1988_60_1_a9,
     author = {M. I. Klyuchantsev},
     title = {Introduction to the theory of $(\nu_1,\dots,\nu_{r-1})$-transforms},
     journal = {Sbornik. Mathematics},
     pages = {163--176},
     publisher = {mathdoc},
     volume = {60},
     number = {1},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1988_60_1_a9/}
}