Pečiulytė S, Štikonienė O, Štikonas A. On the spectrum of a stationary problem with nonlocal integral type boundary condition. LMR [Internet]. 2004 Dec. 17 [cited 2024 May 18];44(spec.):655-9. Available from: https://www.journals.vu.lt/LMR/article/view/15312