Critical Point Theory for Locally Lipschitz Functionals and Applications to Fourth Order Problems

Terzian, S., & Grossinho, M. (1999). Critical Point Theory for Locally Lipschitz Functionals and Applications to Fourth Order Problems. // <I>Mathematics<D> and Educations in Mathematics: Procееdings of the Twenty-eigth Spring Conference of the Union of Bulgarian Mathematicians, Montana, April 5 - 8, 1999: .- Sofia, 1999, p. 99-106..