On the Question `Is $\sum_1^n \sqrta_i\le L ?$'

@article{af-oqiss-86,
    author = "Akman, Varol and Franklin, Wm Randolph",
    title = "On the Question `Is {$\sum\_1^n \sqrt{a\_i}\le L ?$}'",
    journal = "EATCS Bulletin",
    number = "28",
    month = "February",
    year = "1986",
    pages = "16--20",
    href = "\bibhref{38-eatcs86-question}",
    mykey = "akman",
    keywords = "motion planning"
}