@article{INTO_1998_60_a1,
     author = {R. V. Gamkrelidze},
     title = {The mathematical work of {L.~S.~Pontryagin}},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {5--23},
     publisher = {mathdoc},
     volume = {60},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_1998_60_a1/}
}