000 00570nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a515.35=4
_bL341
100 _aLascar Richard
245 _aPropagation des singularites des solutions d'equations pseudo-differentielles a caracteristiques de multiplicites variables
260 _aBerlin
_bSpringer Verlag
_c1981
300 _aviii,237p.
440 _aLecture notes in mathematics; v 856
650 _aCalculus
650 _aDifferential equations
942 _cBK
999 _c77353
_d77353