000 00297nam a2200121Ia 4500
008 211209s1975 xx 000 0 und d
041 _aeng
082 _a515.3 N75 KRA
100 _aKRASNOV M L
245 _aPROBLEMS AND EXERCISES IN THE CALCULUS OF VARIATIONS
260 _c1975
300 _a222
999 _c15212
_d15212