7-5. 수리물리학: 상미분방정식_비선형 1계미분방정식

New channel ‍이종수교수의 물리학강의: title sample judged 'whole' (A systematic university-level physics lecture series (mechanics, math methods, quantum, solid state, statistical physics); passed a second screen for sellers/exam-prep/re-uploads; 2 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.