@article{VMUMM_2015_6_a7,
     author = {I. N. Shnurnikov},
     title = {Realizability of singular levels of {Morse} functions as unions of geodesies},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {45--48},
     year = {2015},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2015_6_a7/}
}