@article{IVM_1977_10_a2,
     author = {G. M. Vaǐnikko and S. I. Piskarev},
     title = {Regularly compatible operators},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {25--36},
     publisher = {mathdoc},
     number = {10},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_10_a2/}
}