@article{DE_2000_36_10_a5,
     author = {O. N. Mikhailov and R. A. Sharipov},
     title = {The geometry of point extensions of a class of second-order differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1331--1335},
     publisher = {mathdoc},
     volume = {36},
     number = {10},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_10_a5/}
}