@article{MZM_1991_50_2_a18,
     author = {M. I. Tsatsulin},
     title = {Morse inequalities for almost-periodic functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {146--151},
     publisher = {mathdoc},
     volume = {50},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_2_a18/}
}