  Bose-Einstein correlations (BEC) observed between identical bosons produced
in high energy multiparticle collisions are regarded as very important tool in
investigations of multiparticle production processes. We present here their
stochastic feature stressing the fact that they can be regarded as a reflection
of correlations of fluctuations present in hadronizing system. We show in
particular that such approach allows for simple modelling of BEC in numerical
event generators used to describe the multiparticle production processes at
high energy collisions.
