author = {B. Buchberger},
title = {{An Extension of ALGOL 60}},
language = {english},
journal = {Communications of the Joint Institute for Nuclear Research (JINR), Dubna},
volume = {No. E5-5787},
pages = { 1--14},
isbn_issn = {-},
year = {1971},
annote = {1971-00-00-A},
refereed = {yes},
length = {14}