@article{TIMM_2021_27_3_a1,
     author = {A. A. Azamov and A. Begaliev},
     title = {An {Existence} {Theorem} and an {Approximate} {Solution} {Method} for a {Pfaff} {Equation} with {Continuous} {Coefficients}},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {12--24},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2021_27_3_a1/}
}