@article{DE_1996_32_11_a18, author = {N. N. Petrov}, title = {Pursuit of an invisible moving object}, journal = {Differencialʹnye uravneni\^a}, pages = {1563--1565}, publisher = {mathdoc}, volume = {32}, number = {11}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1996_32_11_a18/} }