6:39  

एतन्मे संशयं कृष्ण छेत्तुमर्हस्यशेषतः ।
त्वदन्यः संशयस्यास्य छेत्ता न ह्युपपद्यते ॥६- ३९॥

etanme saMshayaM kRRiShNa ChettumarhasyasheShataH ।

twadanyaH saMshayasyaasya Chettaa na hyupapadyate ॥६- ३९॥

Source: Automatic ITRANS Transliteration

This my doubt, Krishna, I ask you to dispel completely.
Other than you, not anyone can accomplish its elimination.

Source: Milind S. Pandit

O Krishna, only You are able to completely dispel this doubt of mine. Because there is none, other than You, who can dispel this doubt. (See also 15.15)

Source: The Bhagavad-Gita: The Sacred Song

This is my doubt, O Krsna, and I ask You to dispel it completely. But for Yourself, no one is to be found who can destroy this doubt.

Source: Bhagavad Gita As It Is