@article{DAN_1970_194_1_a8,
     author = {A. N. Guz},
     title = {Conditions under which {Euler{\textquoteright}s} method can be used to investigate the stability under deformation of nonlinear 
},
     journal = {Doklady Akademii Nauk},
     pages = {38--40},
     publisher = {mathdoc},
     volume = {194},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_1_a8/}
}