  We obtain integral representations for the wave functions of Calogero-type
systems,corresponding to the finite-dimentional Lie algebras,using exact
evaluation of path integral.We generalize these systems to the case of the
Kac-Moody algebras and observe the connection of them with the two dimensional
Yang-Mills theory.We point out that Calogero-Moser model and the models of
Calogero type like Sutherland one can be obtained either classically by some
reduction from two dimensional Yang-Mills theory with appropriate sources or
even at quantum level by taking some scaling limit.We investigate large k limit
and observe a relation with Generalized Kontsevich Model.
