@article{EMJ_2020_11_4_a3,
     author = {N. R. Izvarina and A. Yu. Savin},
     title = {Complexes in relative elliptic theory},
     journal = {Eurasian mathematical journal},
     pages = {45--57},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2020_11_4_a3/}
}