@inproceedings{DBLP:conf/ershov/Ershov79a,
author = {Yuri Leonidovich Ershov},
title = {How does algebra help to solve problems from the theory
of algorithms (an example)},
booktitle = {Algorithms in Modern Mathematics and Computer Science},
year = {1979},
pages = {462-463},
crossref = {DBLP:conf/ershov/1979},
bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ershov/1979,
editor = {Andrei P. Ershov and
Donald E. Knuth},
title = {Algorithms in Modern Mathematics and Computer Science, Proceedings,
Urgench, Uzbek SSR, September 16-22, 1979},
booktitle = {Algorithms in Modern Mathematics and Computer Science},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
volume = {122},
year = {1981},
isbn = {3-540-11157-3},
bibsource = {DBLP, http://dblp.uni-trier.de}
}