000			00598nam a2200193Ia 4500
008			131223s9999 xx 000 0 und d
020			_a0-8218-1895-3
040			_aISI KOLKATA
041			_aEnglish
082			_a530.1240151 _bP493
245			_aAsymptotic methods and stochastic models in problems of wave propagation
260			_aProvidence _bAMS _c1971
300			_aiv,256p.
440			_aProceedings of the Steklov Institute of Mathematics; no 95, 1968
650			_aWave mechanics-mathematical principles
700			_aLatysev K P _4ed.
700			_aPetrasen G I _4ed.
942			_cBK
999			_c12985 _d12985