@article{RM_1972_27_2_a27,
     author = {I. P. Makarov},
     title = {All-Union {Conference} on {Qualitative} {Theory} of {Differential} {Equations} in {Ryazan'}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1972_27_2_a27/}
}